TY  - BOOK
AU  - 
TI  - Our universe: an armchair guide 
SN  - 0716721562 :
AV  - QB43.2 .R675 1990
U1  - 520 20
PY  - 1990///
CY  - London
PB  - Longman, 
KW  - Astronomy
KW  - Universe
N1  - Includes bibliographical references (p. [175]) and index
ER  -