000
00260nam a2200109 4500
008
160616s 000 0
245
_a
General relativity and cosmology
100
_a
Sachs, R.K.,Ed.
500
_a
CN L11
942
_c
BK
_2
BK7992
080
_a
530.12 SAC
999
_c
7992
_d
7992