References

• Adler D.S., Allen R.J., Lo K.Y., 1991, ApJ 382, 475 NASA ADS
• Alvarez H., Aparici J., May J., Olmos F., 1997, A&AS 124, 315 NASA ADS
• Alvarez H., Aparici J., May J., 1987, A&A 176, 25 NASA ADS
• Baldwin J.E., 1955, MNRAS 115, 684
• Blythe J.H., 1957, MNRAS 117, 655
• Caswell J.L., 1976, MNRAS 177, 601 NASA ADS
• de Jong T., Klein U., Wielebinski R., Wunderlich E., 1985, A&A 147, L6 NASA ADS
• Dwarakanath K.S., Udaya Shankar N., 1990, JA&A 11, 323
• Emerson D.T., Gräve R., 1988, A&A 190, 353 NASA ADS
• Fitt A.J., Alexander P., Cox M.J., 1988, MNRAS 233, 907 NASA ADS
• Fukao S., Sato T., Tsuda T., Kato S., Wakasugi K., Makihira T., 1985a, Radio Sci. 20, 1155
• Fukao S., Tsuda T., Sato T., Kato S., Wakasugi K., Makihira T., 1985b, Radio Sci. 20, 1169
• Haslam C.G.T., 1974, A&AS 15, 333
• Haslam C.G.T., Salter C.J., Stoffel H., Wilson W.E., 1982, A&AS 47, 1 NASA ADS
• Helou G., Soifer B.T., Rowan-Robinson M., 1985, ApJ 298, L7 NASA ADS
• Israel F.P., Rowan-Robinson M., 1984, ApJ 283, 81 NASA ADS
• Milogradov-Turin J., Smith F.G., 1973, MNRAS 161, 269 NASA ADS
• Reich P., 1986, Ph.D. Thesis. University of Bonn
• Reich P., Reich W., 1986, A&AS 63, 205 NASA ADS
• Reich W., 1982, A&AS 48, 219 NASA ADS
• Reynolds R.J., Tufte S.L., Haffner L.M., Jaehnig K., Percival J.W., 1998, Publ. Astron. Soc. Aust. 15, 14 NASA ADS
• Roger R.S., Costain C.H., Landecker T.L., Swerdlyk C.M., 1999, A&A 137, 7
• Salter C.J., Brown R.L., 1988, in: Verschuur G.L. and Kellermann K.I. (eds.) Galactic and Extragalactic Radio Astronomy (second edition). Springer-Verlag, New York, p. 1
• Sofue Y., Reich W., 1979, A&AS 38, 251 NASA ADS
• Testori J.C., Reich P., et al., A&AS (in preparation)
• Williams P.J.S., Kenderdine S., Baldwin J.E., 1966, Mem. R. Astron. Soc. 70, 53