Free Preview of Observational Evidence of Activity in Galaxies: Proceedings of the 121st Symposium of the International Astronomical Union Held in Byurakan, Armenia, U.S.S.R., June 3–7, 1986
Observational Evidence of Activity in Galaxies: Proceedings of the 121st Symposium of the International Astronomical Union Held in Byurakan, Armenia, U.S.S.R., June 3–7, 1986