00366nam a2200133Ia 4500082002300000100005400023245004800077260003000125300000600155490004000161490002100201500000500222700000500227  a338.00182bUn58.IC  aUnited Nations. Economic Affairs, Department of-.  aIndustrial censuses and related enquiriesb  aNew YorkbThe Auth.c1953  a   aStudies in methodsv U. N. series F  ano. 4 vol I & II  a  a