TY  - BOOK
AU  - Smith,Elske v.P.
AU  - Jacobs,Kenneth C
TI  - Introductory astronomy and astrophysics
SN  - 0721683878
PY  - 1973///
CY  - Philadelphia
PB  - Saunders College Publishing
KW  - Astronomy
N1  - Maps on lining papers; Includes  bibliographical and indexes
ER  -