000 00277nam a2200121Ia 4500
008 211209s1979 xx 000 0 und d
041 _aeng
082 _a620.0044 N79 GUP
100 _aGUPTA R C
245 _aENGINEERING PRECISION METROLOGY
260 _c1979
300 _a455
999 _c15681
_d15681