00271nam a22001097a 4500003000400000008004100004082001700045100001700062245004300079260003100122300000800153OSt230531b        |||||||| |||| 00| 0 eng d  a630.24bS15L  aSankaram, A.  aLaboratory Manual for Agril. Chemistry  aAsiabB.L.Jain, Agrac1966  a340