TY  - BOOK
AU  - Snow,Theodore P.
AU  - Snow,Theodore P
TI  -  Essentials of the dynamic universe : : an introduction to astronomy 
SN  - 0314777989 (pbk.) :
U1  - 520 SNO 
PY  - 1984///
CY  - St. Paul
PB  -  West
KW  - Astronomy
N1  - Updated ed. of: The Dynamic universe. c1983; Charts on lining papers; ncludes bibliographies and index
ER  -