TY  - BOOK
AU  - Hartmann,William K.
TI  - Astronomy: the cosmic journey 
SN  - 0534095763
U1  - 520 22
PY  - 1989///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Astronomy
N1  - Includes index; Bibliography: p. 673-683
ER  -