000
00256nam a2200109 4500
008
160616s 000 0
245
_a
Three hundred years of gravitation
100
_a
Hawking
500
_a
CN M73
942
_c
BK
_2
BK5570
_0
1
080
_a
531.5 HAW
999
_c
5570
_d
5570