003050000a22001330004500060000800000082001500008100001700023100001400040245003300054260002300087260000900110300000800119650004400127  a100  a631.41 NAR  aNarayana,  N  aShah, C C  aPhysical properties of soils  aBombay, Manaktalas  c1966  a227  aSoil- Physical properties/ Soil science