000 00261nam a2200121Ia 4500
008 220201s1981 xx 000 0 eng d
100 _aRAMAN M V W
245 0 _aQUALITY CONTROL
250 _a2
260 _aDELHI
_bN P C
_c1981
300 _a237
942 _2ddc
999 _c90242
_d90242