00302nam a2200085Ia 4500008004100000082001900041245005900060260004800119490004900167220204s9999    xx            000 0 und d  a631.445.7bSYM 0aSymposium on hte black and red soils of southern India  aPoonabIndian Society of soil sciencec1939  aIndian Society of Soil Science Bulletin No.2