TY  - BOOK
AU  - Branley,Franklyn Mansfield
AU  - Chartrand,Mark R., III
AU  - Wimmer,Helmut K.
TI  - Astronomy
SN  - 0690007604 :
U1  - 520 
PY  - 1975///
CY  - New York
PB  - Thomasy. Crowell
KW  - Astronomy
N1  - Includes bibliographical references and index
ER  -