Planets / by Carl Sagan, Jonathan Norton Leonard ; and the editors of Life ; ed.: William K. Goolrick, Leon Greene ; introd. by Gerard P. Kuiper ; des. Edwin Taylor. - New York : Time-Life b. inc., [c.1966]. - 200 p. : ill. ; 28 cm.см.. - (Life Science Library). - ბიბლიოგრ. გვ. 196[MFN: 44551]