00506ca0 a2200205ua 4500001000500000005001700005007000300022008004100025020000900066040000900075041001400084082001300098100002500111245005600136260005700192300001800249504000900267541001500276650000900291736920180503180404.0ta070607s               g     b000 u eng u  cNULL  aMAIN1 aenghNULL14a310bSAL1 asaluja, M R.eAuthor10aIndian official Statistical Systems / cM R Saluja.  aCalcutta :bStatistical Publishing Society , c1968.  a276 ; cNULL.  aNULL  e2943       0aStat