00450nam a2200133Ia 4500008004100000082001700041100002300058245006300081260007200144300000800216650004100224650003400265653001700299170901s1985    xx            000 0 und d  a631.45bG43E  aGlover, Sir Harold 0aErosion its causes and CurebA survey of soil conservation  aNew DelhibInternational Books and Periodicals Supply Servicec1985  a140  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoil erosion