TY  - BOOK
AU  - Rickert,Russell K.
TI  - Astronomy and space exploration
U1  - 520 
PY  - 1974///
CY  - Menlopark, California
PB  - Addison-Wesley
KW  - Astronomy
KW  - Outer space
KW  - Exploration
N1  - Includes bibliographical references and index
ER  -