00437nam a2200145Ia 4500008004100000082001700041100002400058245004000082260004000122300000800162650003800170650003400208653002700242700002200269170901s1962 xx 000 0 und d a627.52bI-8I aIsraelsen, Orson W. 0aIrrigation Principles And Practices aNew YorkbJohn Wiley and Sonsc1962 a448 aEngineering and allied operations aTechnology (Applied sciences) aIrrigation engineering aHansen, Vaughn E.