TY  - BOOK
AU  - Sagan, Carl
TI  - The birth of the universe: the big bang and after
SN  - 0810928159
PY  - 1980///
CY  - London
PB  - Discoveries Publishers
KW  - Big bang theory
KW  - Expanding universe
KW  - Cosmology
N1  - Peace Studies Collection
ER  -