000 00230nam a2200109Ia 4500
082 _a621.942 GUP
100 _aGUPTA, L.S.N.
245 _aCENTRE WATHE ?????
260 _bTATA MCGRAW HILL
_c1987
300 _a168
942 _2ddc
_cB
999 _c45026
_d45026