TY  - BOOK
AU  - Hartmann,William K.
TI  - Astronomy, the cosmic journey 
SN  - 053404011X
AV  - QB45 H11
PY  - 1985///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  -  
KW  - Astronomy
N1  - Includes indexes; Bibliography: p. 523-534
ER  -