00461nam a2200145Ia 4500008004100000082001700041245007600058260005400134300000800188650004100196650003400237653001300271653001400284653001700298170901s1974    xx            000 0 und d  a631.43bS99P 0aIsotope and Radiation Techniques in Soil Physics and Irrigation Studies  aViennabInternational Atomic Eneergy Agencyc1974  a516  aAgriculture and related technologies  aTechnology (Applied sciences)  aIsotopes  aRadiation  aSoil physics