TY  - BOOK
AU  - Singh Jagjit
TI  - Great ideas and theories of modern cosmology
U1  - B9, K1;1 
PY  - 1961///
CY  - New York 
PB  - Dover Publications     
KW  -  Cosmology
KW  - Physics
N1  - Appendices 261-268p.; Index 269-279p
ER  -