TY  - BOOK
AU  - Pasachoff,Jay M.
TI  - Contemporary astronomy
SN  - 0721671012
AV  - QB45 .P29
U1  - 520 
PY  - 1977///
CY  - Philadelphia
PB  - Saunders
KW  - Astronomy
N1  - Includes bibliographical references and index
ER  -