000
00271nam a2200109 4500
008
160616s 000 0
245
_a
Great ideas and theories of modern cosmology
100
_a
Jagjit singh
500
_a
B9 K12
942
_c
BK
_2
BK10020
080
_a
523.1 JAG
999
_c
10020
_d
10020