TY  - BOOK
AU  - Singh,Jagjit
TI  - Great ideas and theories of modern cosmology / 
SN  - 0486209253
AV  - BD511 .S5 1970b
U1  - 523.1 
PY  - 1970///
CY  - New York
PB  - Dover Publications
KW  - Cosmology
N1  - Harmondsworth ed. (Penguin) has title: Modern cosmology
ER  -