000 00282nam a22001217a 4500
020 _a0521565650
082 _a531.4
_bNAR.L
100 _aJayant Narlikar
245 _aLighter side of gravity
250 _a2
260 _aCambridge
_bCambridge university press
_c1996
942 _cBK
999 _c203092
_d203092