000 00284nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aGUPTA, I.C.
245 0 _aT.B.OF ENGINEERING METROLOGY
250 _aDELHI
260 _aDELHI
_bDHANPAT RAI
_c1997
300 _a931
942 _2ddc
999 _c67165
_d67165