Kopal, Zdeněk. The realm of the terrestrial planets / Zdeněk Kopal. - Bristol : Institute of Physics, c1979. - x, 223 pages : illustrations ; 24 cm. Includes index. ISBN: 0854980342 0470266880 LCCN: 79312797 Subjects--Topical Terms: Planets. Subjects--Geographic Terms: Moon. Dewey Class. No.: 523.4 KOP