TY  - BOOK
AU  - Kaufmann,William J.
TI  - Astronomy : the structure of the universe
SN  - 9780023621307
U1  - 530.44 
PY  - 1977///
PB  - Macmillan publishing co.
KW  - Astronomy
KW  - Astronomie
KW  - Sterrenkunde
N1  - Includes index
ER  -