000
00255nam a2200109 4500
008
160616s 000 0
245
_a
Lectures on general relativity
100
_a
Papapetrou
500
_a
CN L4
942
_c
BK
_2
BK3506
_0
1
080
_a
530.12 PAP
999
_c
3506
_d
3506