00414nam a2200133Ia 4500082001900000100011300019245007900132260002500211300000700236440002100243500000500264653000600269700000500275  a519.5bC397.RS  aConference of "Central and State Statisticians", Central Statistical Organisation, New Delhi, Dec 9-14, 1957  aReport of the sixth joint cconference of central and state statisticiansb  aNew DelhibCSOc1957  a62  aCpSpOp/Conf-6  a  a   a