00306nam a2200097Ia 4500008004100000082002600041100001900067245009100086260002300177300000800200140113s9999    xx            000 0 und d  a621.039:626.81.8   L5  a"IAEA, Vienna"  aRadiaton techniques for water use efficiency studies (Technical report series No. 168)  a1975bIAEAcVienna  a127