000 00244nam a22001217a 4500
003 SGT
082 _a823.92
_bNAR
100 _aNARLIKAR JAYANT
245 _aBLACK HOLES
260 _aINDIA
_bNBTA PUB
_c2017
300 _a66
942 _2ddc
_cBK
999 _c33942
_d33942