References

• AAT, 1999, (www.sal.wisc.edu/WUPPE/polcats/aatobs.ra)
• Abt H.A., Morrell N.I., 1995, ApJS 99, 135 NASA ADS
• Adams F.C., Lada C.J., Shu F.H., 1987, ApJ 312, 788 NASA ADS
• Ageorges N., Eckart A., Monin J.-L., Menard F., 1997, A&A 326, 632 NASA ADS
• van den Ancker M.E., de Winter D., Tjin A Djie H.R.E., 1998, A&A 330, 145 NASA ADS
• Andriasyan R.R., Makarov A.H., 1989, Astrophysics 30, 101 NASA ADS
• Artymowicz P., Burrows C., Paresce F., 1989, ApJ 337, 494 NASA ADS
• Axon D.J., Ellis R.S., 1976, MNRAS 177, 499 NASA ADS
• Barbier R., Swings J.P., 1982, Proc. IAU Symp. 98, Be stars, Jaschek M., Groth H.-G. (eds.). Dordrecht, p. 241
• Bastien P., 1982, A&AS 48, 153 NASA ADS
• Bastien P., 1985, A&AS 59, 277
• Bastien P., Menard F., Bertout C., 1996, JR Astron. Soc. Can. 90, 310
• Bastien P., Robert C., Nadeau R., 1989, ApJ 339, 1089 NASA ADS
• Beckwith S.V.W., Sargent A.I., Chini R.S., G $\rm\ddot{u}$sten R., 1990, AJ 99, 924 NASA ADS
• Berdyugin A.V., 1993, Izv. KrAO 87, 107 NASA ADS
• Berdyugin A.V., Berdyugina S.V., Grinin V.P., Minikulov N.Kh., 1990,Sov. Astron. 67, 812
• Bergner Yu.K., Miroshnichenko A.S., Yudin R.V., et al., 1986, Astron. Tsirc.1459, 5 NASA ADS
• Bergner Yu.K., Miroshnichenko A.S., Krivtsov A.A., et al., 1993, Peremennye Zvezdy 23, 163 NASA ADS
• Bergner Yu.K., Miroshnichenko A.S., Yudin R.V., et al., 1995, A&AS 112, 221 NASA ADS
• Bergner Yu.K., Miroshnichenko A.S., Yudin R.V., et al., 1990, Astrophysics 32, 109 NASA ADS
• Berrilli F., Corciulo G., Ingrosso G., et al., 1992, ApJ 398, 254 NASA ADS
• Bertout C., Harder S., Malbet F., Mennessier C., 1996, AJ 112, 2159 NASA ADS
• Beskrovnaya N.G., Pogodin M.A., Yudin R.V., et al., 1998, A&AS 127, 243 NASA ADS
• Beskrovnaya N.G., Pogodin M.A., Miroshnichenko A.S., et al., 1999, A&A 343, 163 NASA ADS
• Beskrovnaya N.G., Pogodin M.A., Najdenov I.D., Romanyuk I.I., 1995, A&A 298, 585 NASA ADS
• Beskrovnaya N.G., Pogodin, 1999, A&A (in preparation)
• Bjorkman K.S., Schulte-Ladbeck R.E., 1994, ASP Conf. Ser. 62, 74
• Blondel P.F.C., Talavera A., Tjin A Djie H.R.E., 1993, A&A 268, 624 NASA ADS
• Bouchert P., Swings J.P., 1981, in Proc. IAU Symp. 98, Be stars, Jaschek M., Groth H.-G. (eds.). Dordrecht, p. 241
• Bouvier J., 1990, AJ 99, 946 NASA ADS
• Bouvier J., Appenzeller I., 1992, A&AS 92, 481 NASA ADS
• B $\rm\ddot{o}$hm T., Catala C., 1994, ASP Conf. Ser. 62, 219
• B $\rm\ddot{o}$hm T., Catala C., 1995, A&A 301, 155 NASA ADS
• Breger M., 1974, ApJ 188, 53 NASA ADS
• Breger M., 1976, ApJ 204, 789 NASA ADS
• Breger M., 1977, ApJ 215, 119 NASA ADS
• Breger M., Gehrz R.D., Hackwell J.A., 1981, ApJ 248, 963 NASA ADS
• Briot D., Robichon N., 1998, Ap&SSL 233, 47
• Brooke T.Y., Tokunaga A.T., Strom S.E., 1993, AJ 103, 656
• Brown A.G.A., Verschueren W., 1997, A&A 319, 811 NASA ADS
• Calvet N., Giampapa M.S., Barri G., et al., 1985, ApJ 293, 575 NASA ADS
• Carpenter K.G., Slettebak A., Sonneborn G., 1984, ApJ 286, 741 NASA ADS
• Casanova S., Montmerle T., Feigelson E.D., Andre Ph., 1995, ApJ 439, 752 NASA ADS
• Casey B.W., Mathieu R.D., Suntzeff N.B., 1993, AJ 105, 2276 NASA ADS
• Chavarria-K C., 1981, A&A 101, 105 NASA ADS
• Chini R., 1981, A&A 99, 346 NASA ADS
• Chini R., Kr $\ddot{\rm u}$gel E., Shustov B., et al., 1991, A&A 252, 220 NASA ADS
• Chini R., Kr $\ddot{\rm u}$gel E., Kreysa E., 1990, A&A 227, L5 NASA ADS
• Chevalier C., Ilovaisky S.A., 1998, A&A 330, 201 NASA ADS
• Chrysostomou A., Menard F., Gladhill T.M., et al., 1997, MNRAS 285, 750 NASA ADS
• Clarke D., Smith R.A., Yudin R.V., 1998, A&A 336, 604 NASA ADS
• Clarke D., Smith R.A., Yudin R.V., 1999, A&A 345, 547 NASA ADS
• Cohen M., Kuhi L., 1979, ApJS 41, 743 NASA ADS
• Cohen M., Schvartz R., 1976, MNRAS 174, 137 NASA ADS
• Cohen M., Fuller G.A., 1985, ApJ 296, 620 NASA ADS
• Cohen M., Emerson J.P., Beichman C.A., 1989, ApJ 339, 455 NASA ADS
• Corporon P., Lagrange A.-M., 1999, A&AS 136, 429 NASA ADS
• Cot $\acute{\rm e}$ J., Waters L.B.F.M., 1987, A&A 176, 93 NASA ADS
• Coulson I.M., Walther D.M., Dent W.R.F., 1998, MNRAS 296, 934 NASA ADS
• Daniel J.-Y., 1980a, A&A 87, 204 NASA ADS
• Daniel J.-Y., 1980b, A&A 86, 198 NASA ADS
• Daniel J.-Y., 1982, A&A 111, 58 NASA ADS
• Davies J.K., Evans A., Boode M.F., Whittet D.C.B., 1990, MNRAS 247, 517 NASA ADS
• Davis R., Strom K.M., Strom S.E., 1983, AJ 88, 1644 NASA ADS
• Drissen L., Bastien P., St.-Louis N., 1989, AJ 97, 814 NASA ADS
• Drew J.E., Busfield G., Hoare M.G., et al., 1997, MNRAS 286, 538 NASA ADS
• Dolginov A.Z., Gnedin Yu.N., Silant'ev N.A., 1995, in: Propagation and polarization of radiation in Cosmic Media. Gordon and Breach Publishers
• Donati J.-F., Semel M., Carter B.D., Rees D.E., Cameron A.C., 1997, MNRAS 291, 658 NASA ADS
• Dougherty S.M., Taylor A.R., Clark T.A., 1991, AJ 102, 1753 NASA ADS
• Dudorov A.E., Pudritz R.E., 1994, ASP Conf. Ser. 62, 381
• Dunkin S.K., Barlow M.J., Ryan S.G., 1997, MNRAS 286, 604 NASA ADS
• Dyck H.M., Forrest W.J., Gillet F.G., et al., 1971, ApJ 165, 57 NASA ADS
• Dzhakusheva K.G., Rspaev F.K., 1991, Astron. Tsirk. 1551, 11 NASA ADS
• Eiroa C., Garson F., Miranda L.F., 2000, in Proc. Euroconference on "Disks, Planetesimals and Planets", Eiroa C., de Winter D. and Mahoney J. (eds). ASP Conf. Ser. (in press)
• Hipparcos and Tycho Catalogues, ESA SP-1200
• Fajardo-Acosta S.B., Telesco C.M., Knacke R.F., 1998, AJ 115, 2101 NASA ADS
• Finkenzeller U., 1985, A&A 151, 340 NASA ADS
• Franchini M., Covino E., Stalio R., et al., 1992, A&A 256, 525 NASA ADS
• Friedemann C., G $\ddot{\rm u}$rtler J., Reimann H.-G., 1995, A&A 300, 269 NASA ADS
• Fuente A., Martin-Pintado J., Bachiller R., Neri R., Palla F., 1998, A&A 334, 253 NASA ADS
• Gahm G.F., Liseau R., Gullbring E., Hartstein D., 1993, A&A 279, 477 NASA ADS
• Gahm G.F., Loden K., Gullbring E., Hartstein D., 1995, A&A 301, 89 NASA ADS
• Gameiro J.F., Lago M.T.V.T., 1993, MNRAS 265, 359 NASA ADS
• Garrison L.M., Anderson C.M., 1978, ApJ 221, 601 NASA ADS
• Gauvin L.S., Strom K.M., 1992, ApJ 385, 217 NASA ADS
• Gezari D.Y., Pitts P.S., Schmitz M., 1999, CIO5 (vizier.u-strasbg.fr/cgi-bin/vizier?-source=II/225/catalog)
• Giampapa N., Calvet N., Imhoff C.L., et al., 1981, ApJ 251, 113 NASA ADS
• Ghosh K., Iyengar K.W.K., Ramsey B.D., Austin R.A., 1999, AJ 118, 1061 NASA ADS
• Gladhill T.M., Scarrott S.M., 1989, MNRAS 236, 139 NASA ADS
• Gnedin Yu.N., Kiselev N.N., Pogodin M.A., et al., 1992, SvA Lett. 18, 182 NASA ADS
• Grady C.A., Perez M.R., Talavera A., et al., 1996, A&AS 120, 157 NASA ADS
• Grasdallen G., Joyce R., Knacke R.F., et al., 1975, AJ 80, 117 NASA ADS
• Gray R.O., Corbally C.J., 1998, AJ 116, 2530 NASA ADS
• Grillo F., Sciortiono S., Micela G., et al., 1992, ApJS 81, 795 NASA ADS
• Grinin V., 1998, in Proc. of the ESO Workshop "Cyclical Variability in Stellar Winds" held in Garching, Kapel L., Fulerton A.W. (eds.). Springer, p. 164
• Grinin V., Nata A., Tambovtseva L., 1996, A&A 313, 857 NASA ADS
• Grinin V.P., Kiselev N.N., Minikulov N.H., Chernova G.P., 1988, Sov. Astron. 14, 283
• Grinin V.P., Kiselev N.N., Minikulov N.H., Chernova G.P., Voshchinnikov N.V., 1991, Ap&SS 186, 283 NASA ADS
• Grinin V.P., 1994, ASP Conf. Ser. 62, 63
• Grinin V.P., Kiselev N.N., Minikulov N.Kh., 1989, Pis'ma Astron. Zh. 15, 1028 NASA ADS
• Grinin V.P., Kolotilov E.A., Rostopchina A.N., 1995, A&AS 112, 457 NASA ADS
• Grinin V.P., Kozlova O.V., 2000, Astrophysics (submitted)
• Grinin V.P., 2000, in Proc. Euroconference on "Disks, Planetesimals and Planets", Eiroa C., de Winter D. and Mahoney J., ASP Conf. Ser. (in press)
• Gullbring E., Barwing H., Chen P.S., Gahm G.F., Bao M.X., 1996, A&A 307, 791
• Gullbring E., Gahm G.F., 1996, A&A 308, 8211 NASA ADS
• Halbedel E.M., 1996, PASP 108, 833 NASA ADS
• Hall J.S., Mikesell A.H., 1953, Publ. US Naval Obs., XVII, Pt.I, 1
• Hamann F., Person, S.E., 1992, ApJ 394, 628 NASA ADS
• Heiles C., 2000, AJ (accepted)
• Herbig G.H., Bell K.R., 1988, Lick Obs. Bull. 1111, 1 NASA ADS
• Herbig G.H., 1960, ApJS 4, 337 NASA ADS
• Herbig G.H., 1977, ApJ 214, 747 NASA ADS
• Herbig G.H., Jones B.F., 1983, AJ 88, 1040 NASA ADS
• Hillenbrand L.A., Strom S.E., Vrba F.J., Keene J., 1992, ApJ 397, 613 NASA ADS
• Howarth I.D., Siebert K.W., Hussain G.A.J., Prinja R.K., 1997, MNRAS 284, 265 NASA ADS
• HPOL, 1999, (www.sal.wisc.edu/HPOL/pbotgttype.html)
• Huovelin J., Linnaluoto S., Piirola V., Tuominen I., Virtanen H., 1985, A&A 152, 357 NASA ADS
• Huovelin J., Saar S.H., Tuominen I., 1988, ApJ 329, 882 NASA ADS
• Hutchinson M.G., Albinson J.S., Barrett P., et al., 1994, A&A 285, 883 NASA ADS
• Ivezic Z., Miroshnichenko A.S., Elitzur M., 1998, Ap&SSL 233, 227
• Jaschek C., 1998, Ap&SSL 233, 61
• Jensen E.L.N., Mathieu R.D., 1997, AJ 114, 301 NASA ADS
• Jian S.K., Bhatt H.C., 1995, A&AS 111, 399 NASA ADS
• Kardapolov V.I., Rspaev F.K., Nosov I.V., 1988, SvA 32, 630 NASA ADS
• Kardapolov V.I., Rspaev F.K., 1990, Astron. Tsirk. 1544, 15 NASA ADS
• Kardapolov V.I., Pavlova L.A., Rspaev F.K., 1991, SvA 35, 278 NASA ADS
• Kardapolov V.I., Rspaev F.K., 1991, Astron. Tsirk. 1547, 13 NASA ADS
• Kenyon S.J., Hartmann W., 1991, Harw.-Smith. Center for Astroph., Prepr. No. 3276
• Kerschbaum F., 1995, A&AS 113, 441 NASA ADS
• Kilkenny D., Whittet D.C.B., Davies J.K., et al., 1985, SAAO Cirk. 9, 55
• Kiselev N.N., Minikulov N.Kh., Chernova G.P., 1991, Astrofizika 34, 181 NASA ADS
• Knapic A., Bergeat J., 1997, A&A 321, 236 NASA ADS
• Kopatskaya E.N., Shulov O.S., 1978, Tr. Astron. Obs. of Leningrad Univ. 34, 94 NASA ADS
• Krasnobabtsev V., 1981, Izv. KrAO 43, 93
• Lamers H.J.G.L.M., Zickgraf F.-J., de Winter D., Houziaux L., Zorec J.,1998, A&A 340, 117 NASA ADS
• Lecavelier des Etanges A., Vidal-Madjar A., Burki G., 1997, A&A 328, 311 NASA ADS
• Lecavelier des Etanges A., Ferlet R., Vidal-Madjar A., 1997, A&A 328, 602 NASA ADS
• Leinert C., Richichi A., Haas M., 1997, A&A 318, 472 NASA ADS
• Leroy J.L., 1993, A&AS 101, 551 NASA ADS
• Lucas T.W., Roche P.F., 1998, MNRAS 299, 699 NASA ADS
• Magnier E.A., Waters L.B.F.M., Groot P.J., et al., 1999, A&A 346, 441 NASA ADS
• Malfait K., Bogaert E., Waelkens C., 1998, A&A 331, 211 NASA ADS
• Mannings V., 1994, MNRAS 271, 587 NASA ADS
• Mannings V., Sargent A.I., 1997, ApJ 490, 792 NASA ADS
• Mannings V., Barlow M.J., 1998, ApJ 497, 330 NASA ADS
• Marchenko S.V., Moffat A.F.J., van ded Hucht K., et al., 1998, A&A 331, 1022 NASA ADS
• Mathewson D.S., Ford V.F., Klare G., et al., 1978, Bull. Iform. CDS 14, 115 NASA ADS
• Matsumuta M., Seki M., Kawabata K., 1999, AJ 117, 429 NASA ADS
• McLean I.S., Brown J.C., 1978, A&A 69, 291 NASA ADS
• Mekkaden M.V., 1998, A&A 340, 135 NASA ADS
• Menard F., Bastien P., 1992, AJ 103, 564 NASA ADS
• Men'shchikov A.B., Henning Th., 1997, A&A 318, 879 NASA ADS
• Men'shchikov A.B., Henning T., Fischer O., 1999, ApJ 519, 257 NASA ADS
• Merin B., Montesinos B., 2000, in Proc. Euroconference on "Disks, Planetesimals and Planets", Eiroa C., de Winter D. and Mahoney J. (eds.), ASP Conf. Ser. (in press)
• Miroshnichenko A.S., Yudin R.V., Yakubov S.D., 1992, Astron. Astroph. Trans. 1, 211
• Miroshnichenko A.S., 1998, Ap&SSL 233, 145
• Miroshnichenko A.S., Fremat Y., Houziaux L., 1998, A&AS 131, 469 NASA ADS
• Miroshnichenko A.S., 1996, A&A 312, 941 NASA ADS
• Miroshnichenko A.S., Mulliss Ch.L., Bjorkman K.S., et al., 1999a, MNRAS 302, 612 NASA ADS
• Miroshnichenko A.S., Gray R.O., Vieira S.L.A., et al., 1999b, A&A 347, 137 NASA ADS
• Mitskevich A.S., 1995, A&A 298, 231 NASA ADS
• Mirzoyan L.V., 1982, Astrofizika 18, 463 NASA ADS
• Miyake K., Nakagama Y., 1995, ApJ 441, 361 NASA ADS
• Moneti A., Pipher J.L., Helfer H.L., et al., 1984, ApJ 282, 508 NASA ADS
• Monin J.-L., Menard F., Duchkne G., 1998, A&A 339, 113 NASA ADS
• Moujtahid A., Zorec J., Hubert A.M., 1998, Ap&SSL 233, 57
• Mundt R., 1980, A&AS 39, 245 NASA ADS
• Mundt R., 1984, ApJ 280, 749 NASA ADS
• Myers, et al., 1998, ApJ 492, 703 NASA ADS
• Nata A., Grinin V.P., Mannings V., Ungerechts H., 1997, ApJ 491, 885 NASA ADS
• Nata A., Grinin V.P., Mannings V., 1999, in "Protostars and Planets IV"
• Neri L.J., Chavarria-K C., de Lara E., 1993, A&AS 102, 201 NASA ADS
• Oudmaijer R.D., van der Veen W.E.C.J., Waters L.B.F.M., et al., 1992, A&AS 96, 625 NASA ADS
• Oudmaijer R.D., Drew J.E., 1999, MNRAS 305, 1660
• Penston H.V., 1973, ApJ 183, 505 NASA ADS
• Petrov P.P., Zaijtseva G.V., Efimov Yu.S., et al., 1999, A&A 341, 553 NASA ADS
• Petrova N.N., Shevchenko V.S., 1987, Sov. Astron. Lett. 13, 686
• Piirola V., Scaltriti F., Coyne G.V. S.J., 1994, ASP Conf. Ser. 62, 78
• Pirzkal N., Spillar E.J., Dyck H.M., 1997, ApJ 481, 392 NASA ADS
• Plavec M., 1976, In Proc. of IAU Symp. 70, Slettebak A. (ed.), p. 439
• Poeckert R., Bastien P., Landstreet J.D., 1979, AJ 84, 812 NASA ADS
• Pogodin M., 1998, in Proc. of the ESO Workshop "Cyclical Variability in Stellar Winds" held in Garching, Kapel L., Fulerton A.W. (eds.). Springer, p. 143
• Ray T.P., Sargent A.I., Beckwith S.V.W., et al., 1995, ApJ 440, L89 NASA ADS
• Rostopchina A.N., 1999, AZh 76, 136
• Rostopchina A.N., Grinin V.P., Okazaki A., et al., 1997, A&A 327, 145 NASA ADS
• Rostopchina A.N., Grinin V.P., Shakhovskoy D.N, 2000, in Proc. Euroconference on "Disks, Planetesimals and Planets", Eiroa C., de Winter D. and Mahoney J. (eds.). ASP Conf. Ser. (in press)
• Rucinski S.M., Krautter J., 1983, A&A 121, 217 NASA ADS
• Rydgren A.E., Vrba F.J., 1981, AJ 86, 1069 NASA ADS
• Rydgren A.E., Vrba F.J., 1983, AJ 88, 1017 NASA ADS
• Rydgren A.E., Strom S.E., Strom K.M., 1976, ApJS 30, 307 NASA ADS
• Rydgren A.E., Schmeltz J.T., Vrba F.J., 1982, ApJ 256, 168 NASA ADS
• Schulte-Ladbeck R., 1983, A&A 120, 203 NASA ADS
• Serkowski K., 1969, ApJ 158, L107 NASA ADS
• Serkowski K., Mathewson D.S., Ford V.L., 1975, ApJ 196, 261 NASA ADS
• Shevchenko V.S., 1989, Herbig Ae/Be stars, FAN, Tashkent
• Silvester R.J., Skinner C.J., Barlow M.J., Mannings V., 1996, MNRAS 279, 915 NASA ADS
• SIMBAD database, 1999 (simbad.u-strasbg.fr/SIMBAD)
• Simon T., Herbig G., Boesgaard A.M., 1985, ApJ 293, 555
• Sitko M.L., Grady C.A., Lynch D.K., Russel R.W., Hanner M.S., 1999, ApJ 510, 408 NASA ADS
• Skrutskie M.F., Meyer R., Whalen D., Hamilton C., 1996, AJ 112, 2168 NASA ADS
• Slettebak A., Collins G.W. II., Boyce P.B., et al., 1975, ApJS 29, 137 NASA ADS
• Slettebak A., 1982, ApJS 50, 55 NASA ADS
• Smith M.D., 1994, A&A 287, 523 NASA ADS
• Soderblom D.R., Stauffer J.R., MacGregor K.B., Jones B.F., 1993, ApJ 409, 624 NASA ADS
• Solano E., Montesinos B., Mora A., 2000, in Proc. Euroconference on "Disks, Planetesimals and Planets", Eiroa C., de Winter D. and Mahoney J. (eds.). ASP Conf. Ser. (in press)
• Stecklum B., Henning T., Feldt M., et al., 1998, AJ 115, 767 NASA ADS
• Strom K.M., Strom S.E., Edwards S., et al., 1989, AJ 97, 1451 NASA ADS
• Sun Yi. Li., Jaschek M., Andrillat Y., Jaschek C., 1985, A&AS 62, 309 NASA ADS
• Swings J.P., 1981, A&A 98, 112 NASA ADS
• Tamura M., Sato S., 1989, AJ 98, 1368 NASA ADS
• Th $\acute{\rm e}$ P.S., de Winter D., Perez M.R., 1994, A&AS 104, 315 NASA ADS
• Th $\acute{\rm e}$ P.S., Perez M.R., Voschinnikov N.V., van den Ancker M.E., 1996, A&A 314, 233 NASA ADS
• Uesugi A., Fukuda I., 1982, Revised Catalogue of Stellar Rotational Velocities, Kyoto
• Vieira S.L.A., Pogodin M.A., Franco G.A.P., 1999, A&A 345, 559 NASA ADS
• Voshchinnikov N.V., Marchenko P.E., 1982, Sov. Astron. 59, 1115
• Voshchinnikov N.V., Grinin V.P., 1988, Astrofizika 34, 181 NASA ADS
• Voshchinnikov N.V., Karjukin V.V., 1994, A&A 288, 883 NASA ADS
• Vrba F.J., Schmidt G.D., Hintzen P.M., 1979, ApJ 227, 185 NASA ADS
• Vrba F.J., Strom S.E., Strom K.M., 1976, AJ 81, 958 NASA ADS
• Vrba F.J., Coyne G.V., Tapia S., 1993, AJ 105, 1010 NASA ADS
• Waters L.B.F.M., Marlborough J.M., 1992, A&A 256, 195 NASA ADS
• Winkler H., 1997, MNRAS 287, 481 NASA ADS
• de Winter D., van den Ancker M.E., 1997, A&AS 121, 275 NASA ADS
• de Winter D., Perez M.R., 1998, Ap&SSL 233, 269
• Whittet D.C.B., Assendorp R., Prusti T., et al., 1991, A&A 251, 521
• Whittet D.C.B., Martin P.G., Hough J.H., et al., 1992, ApJ 386, 562 NASA ADS
• Whittet D.C.B., Longmore A.J., McFadzean A.D., 1985, MNRAS 216, 45p
• Whittet D.C.B., Gerakines P.A., Carkner A.L., et al., 1994, MNRAS 268, 1 NASA ADS
• Wolf B., Stahler O., 1985, A&A 148, 412 NASA ADS
• Wolff S.C., Edwards S., Preston G.W., 1982, ApJ 252, 322 NASA ADS
• Wolff S.C., Simon T., 1997, PASP 109, 759 NASA ADS
• WUPPOL, 1999 (www.sal.wisc.edu/WUPPE/polcats/wuppol.html)
• Yudin R.V., 1988, Sov. Astr. 32, 652 NASA ADS
• Yudin R.V., 1990, in proc. "The infrared spectral region of stars", Jaschek C. and Andrillat Y. (eds.). Cambridge Univ. Press, p. 400
• Yudin R.V., Evans A., 1998, A&AS 131, 402
• Yudin R.V., 1992, Ph.D. Thesis, Pulkovo Observatory
• Yudin R.V., Clarke D., Smith R.A., 1999, A&A 345, 547 NASA ADS
• Yudin R.V., Miroshnichenko A.S., 1988, Astrophysics 28, 91 NASA ADS
• Yudin R.V., 1996, A&A 312, 234 NASA ADS
• Yudin R.V., 2000, A&AS (submitted)
• Zellner B., 1970, AJ 75, 182 NASA ADS
• Zickgraf F.-J., Schulte-Ladbeck R., 1989, A&A 214, 274 NASA ADS
• Zinnecker H., Preibisch Th., 1994, ASP Conf. Ser. 62, 281
• Zinnecker H., Preibisch Th., 1994, A&A 292, 152 NASA ADS
• Zorec J., 1998, Ap&SSL 233, 27
• Zorec J., Briot D., 1997, A&A 318, 443 NASA ADS
• Zuckerman B., Becklin E.E., 1993, ApJ 414, 793 NASA ADS