00341nam a2200121Ia 4500008004000000020001800040082001500058100001800073245003800091260004300129300001200172650003500184210210b1989   xxu||||| |||| 00| 0 eng d  a81 7024 258 4  a631.4 MISS  aMISHRA (P C).  aSoil polution and soil organisms.  aDelhi.bAshish Publishing House,c1989  axii,282  aSoil Conservation, Organisms