References

• Aller L.H., 1984, Physics of Thermal Gaseous Nebulae, Astrophysics and Space Science Library
• Bai T., 1979, Solar Phys. 62, 113
• Barvainis R., 1992, ApJ 400, 502 NASA ADS
• Binette L., Prieto A., Szuszkiewicz E., Zheng W., 1989, ApJ 343, 135 NASA ADS
• Boggess A., et al., 1978a, Nat 275, 372 NASA ADS
• Boggess A., et al., 1978b, Nat 275, 377 NASA ADS
• Boggess A., Wilson R., 1989, in `` Exploring the Universe with the IUE satellite", Kondo Y. (ed.) Astrophys. Space Sci. Library, p. 3
• Bohlin R.C., Grillmair C.J., 1988, ApJSS 66, 209 NASA ADS
• Busko I.C., Steiner J.E., 1988, MNRAS 232, 525 NASA ADS
• Busko I.C., Steiner J.E., 1989, MNRAS 238, 1479 NASA ADS
• Carleton N.P., Elvis M., Fabbiano G., Willner S.P., 1987, ApJ 318, 595 NASA ADS
• Carleton N.P., Elvis M., Fabbiano G., Willner S.P., Lawrence A., Ward M., 1987, ApJ 18, 595 NASA ADS
• Chapman G.N.F., Geller M.J., Huchra J.P., 1985, ApJ 297, 151 NASA ADS
• Clavel J., 1987, `` International Ultraviolet Explorer Image Processing Information Manual", version 2.0 (new software) European Edition
• Clavel J., Gilmozzi R., Prieto A., 1988, A&A 191, 392 NASA ADS
• Clavel J., Wamsteker W., Glass I.S., 1989, ApJ 337, 236 NASA ADS
• Clavel J., Santos-Lleó M., 1990, A&A 230, 3 NASA ADS
• Clavel J., Nandra K., Makino F., Pounds K., Reichert G.A., Urry C.M., Wamsteker W., Peracaula-Bosch M., 1992, ApJ 393, 113 NASA ADS
• Clavel J., et al., 1991, ApJ 366, 64 NASA ADS
• Courvoisier T.J.-L., Clavel J., 1991, A&A 248, 389 NASA ADS
• Courvoisier T.J.-L., Paltani S., 1992, `` IUE-ULDA Access Guide No. 4", Wamsteker W. (ed.) ESA SP 1153, p. 66
• De Jong T., Clegg P.E., Soifer B.T., et al., 1984, ApJL 278, L67 NASA ADS
• De Martino D., Wamsteker W., Mas-Hesse J.M., Bonnell J., Imhoff C., 1991, ESA IUE Newslett. 38, 10 NASA ADS
• Edelson R.A., Malkan M.A., 1986, ApJ 308, 59 NASA ADS
• Edelson R.A., Malkan M.A., 1987, ApJ 323, 516 NASA ADS
• Edelson R.A., Krolik J.H., 1988, ApJ 333, 646 NASA ADS
• Fälker J., Gordon F., Sandford M.C.W., 1989, in `` Exploring the Universe with the IUE satellite", Kondo Y. (ed.) Astrophys. Space Sci. Library, p. 21
• Fairall A.P., 1977, MNRAS 180, 391 NASA ADS
• Ferland G.J., Osterbrock D.E., 1986, ApJ 300, 658 NASA ADS
• Ferland G.J., Korista K.T., Peterson B.M., 1990, ApJ 363, L21 NASA ADS
• Ferland G.J., 1991, `` HAZY, a brief introduction to CLOUDY 80.06", Ohio State University Astr. Dpt., Internal Report 91-01, August 4
• Gaskell C.M., Peterson B.M., 1987, ApJ 65, 1 NASA ADS
• Glass I.S., 1986, MNRAS 219, 5P NASA ADS
• Griersmith D., Visvanathan N., 1979, A&A 79, 329 NASA ADS
• Horne K., Welsh W.F., Peterson B.M., 1991, ApJ. Lett. 367, L5 NASA ADS
• Imhoff C.L, Wasatonic R., 1986, NASA IUE Newslett. 29, 45 NASA ADS
• Johnson H.L., 1966, ARA&A 4, 193 NASA ADS
• Kollatschny W., Fricke K.J., 1985, A&A Lett. 146, L11 NASA ADS
• Koratkar A.P., Gaskell C.M., 1989, ApJ 345, 637 NASA ADS
• Koratkar A.P., Gaskell C.M., 1991, ApJSS 75, 719 NASA ADS
• Kwan J., Krolik J.H., 1981, ApJ 250, 478 NASA ADS
• Lub J., Pel J.W., 1977, A&A 54, 137 NASA ADS
• Lub J., de Ruiter H.R., 1992, A&A 256, 33 NASA ADS
• Martin P.G., Thompson I.B., Maza J., Angel J.R.P., 1983, ApJ 266, 470 NASA ADS
• Morini M., Scarsi L., Molteni D., et al., 1986, ApJ 307, 486 NASA ADS
• O'Brien P.T., Zheng W., 1990, Astrophys. Space Sci. 171, 77 NASA ADS
• Pelat D., Alloin D., Fosbury R.A.E., 1981, MNRAS 195, 787 NASA ADS
• Pérez E., Robinson A., De la Fuente L., 1992, MNRAS 255, 502 NASA ADS
• Pérez M., Loomis C., Eaton N., Bradley R., 1991, IUE 3-Agency Meeting, June, p. VI-1
• Pérez M., 1991, ESA IUE Newslett. 38, 27
• Perola G.C., Piro L., Altamore A., Fiore F., 1986, ApJ 306, 508 NASA ADS
• Press W.H., Teukolsky S.A., 1988, Computers in Physics Nov./Dec., p. 77
• Rieke G.H., Lebofsky M.J., 1985, ApJ 288, 618 NASA ADS
• Robinson A., Pérez E., 1990, MNRAS 244, 138 NASA ADS
• Rodríguez-Pascual P.M., 1989, Thesis, Universidad de Granada, Facultad de Ciencias
• Seaton M.J., 1979, MNRAS 187, 73P NASA ADS
• Shields J.C., Ferland G.J., Peterson B.M., 1995, ApJ 441, 507 NASA ADS
• Sonneborn G., Garhart M.P., 1987, ESA IUE Newslett. 28, 55 NASA ADS
• Véron-Cetty M.P., Woltjer L., Roy A.L., 1991, A&A 246, L73 NASA ADS
• Vio R., Horne K., Wamsteker W., 1994, PASP 106, 1091 NASA ADS
• Wamsteker W., Alloin D., Pelat D., Gilmozzi R., 1985, ApJ 295, L33 NASA ADS
• Wamsteker W., Colina L., 1986, ApJ 311, 617 NASA ADS
• Wamsteker W., Rodríguez-Pascual P.M., Wills B.J., et al., 1990, ApJ 354, 446 NASA ADS
• Walter R., Orr A., Courvoisier T.J.-L., Fink H.H., Makino F., Wamsteker W., 1995, A&A 438, 120 NASA ADS
• Ward M.J., Wilson A.S., 1978, ApJ 223, 788 NASA ADS
• West R.M., Danks A.C., Alcaino G., 1978, A&A 62, L13 NASA ADS
• Whittle M., 1985, MNRAS 213, 1 NASA ADS
• Wills B.J., Netzer H., Wills D., 1985, ApJ 288, 94 NASA ADS
• Zdziarski A.A., Ghisellini G., George I.M., Svensson R., Fabian A.C., Done C., 1990, ApJ 363, L1 NASA ADS
• Zheng W., O'Brien P.T., 1990, ApJ 356, 463 NASA ADS
• Zheng W., Veilleux S., Grandi S.A., 1991, ApJ 381, 418 NASA ADS