Astronomy the cosmic journey / William K. Hartmann. - 1987 ed.. - Belmont : Wadsworth publ. comp., [1987]. - xxiii, 548 p. : ill., [18] inset l. ill. ; 27 cmсм.. - Bibliogr. p.: 523-534. - ISBN 0-534-07938-5[MFN: 22505]
UDC: 52
Subjects:- ასტრონომია;
E 19.716/4 - General Stock