Mongia A.D.,Bandyopahyay A.K. creator text NewDelhi Vikas Publishing House PVT LTD. c1993 monographic vi,202p.: ill. by A.D. Mongia, A.K.Bandyopadhyay. Includes bibliographic references. Soils Tropics S599.9.T7 M66 1993 0706986326 UOEL 000 20150408122512.0