00333nam a2200133Ia 4500082002500000100004400025245004900069250001300118260003100131300000900162490001800171500000500189700000500194  a658.5680202bIn39.MB  aIndian Standards Institution, New Delhi  aManual on basic principles of lot samplingb  a2nd Rev.  aNew DelhibThe Auth.c1982  a56p.  aIS  1548-1981  a  a