00422nam a2200133Ia 4500008004100000082001700041100002000058245003800078260007300116300000800189650004100197650003400238653001600272170901s1953    xx            000 0 und d  a631.47bF60S  aStephens, C. G. 0aSoil Surveys for Land Development  aRomebFood and Agricultural Organization of the United Nationsc1953  a107  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoil survey