Discovering the universe
William J. Kaufmann
Discovering the universe - 2nd ed. - New York W.H. Freeman and Company 1989 - 425 p
0- 7167- 2054- X
Astronomy
QB 43.2 .K376/
Discovering the universe - 2nd ed. - New York W.H. Freeman and Company 1989 - 425 p
0- 7167- 2054- X
Astronomy
QB 43.2 .K376/