00342nam a2200157Ia 4500008004100000041001200041082001000053082001100063100001300074100001300087245004500100260000600145260000900151260000900160650001500169150909s9999    xx            000 0 und d  aEnglish  a631.7  bASA/CO  aASAE -    eCompiler  aCompilation of trickle irrigation papers  a-  bASAE  c1980  aIrrigation