00350nam a2200121Ia 4500082002600000100006600026245008900092260002500181300000600206500000500212653000600217700000500223  a658.56806354bC748.QC  aConference on "Quality Control", New Delhi, 17-19 March, 1971  aQuality control; discussions and recommendations of the fifth All India conferenceb  aNew DelhibISIc1971  a   a  a   a