Black holes , Quasars & the universe /
Shipman, Harry L.
Black holes , Quasars & the universe / Harry L. Shipman - 2nd ed. - Boston : Houghton Mifflin, c1980 - viii , 344p
Includes bibliog
Astronomy
520 SHB (2)
Black holes , Quasars & the universe / Harry L. Shipman - 2nd ed. - Boston : Houghton Mifflin, c1980 - viii , 344p
Includes bibliog
Astronomy
520 SHB (2)