TY  - BOOK
AU  - Hartmann,William K.
AU  - Impey,Chris
TI  - Astronomy: the cosmic journey 
SN  - 0534211925 (alk paper)
U1  - 520 20
PY  - 1994///
CY  - Belmont, Calif.
PB  - Wadsworth Pub.
KW  - Աստղագիտություն
N1  - Includes bibliographical references (p. [716]-[719]) and index
ER  -