00422nam a2200133Ia 4500008004100000082001700041100001800058245006500076260004000141300000800181650003800189650003400227653002700261170901s1951    xx            000 0 und d  a627.52bH84I  aHouk, Ivan E. 0aIrrigation EngineeringbAgricultural And Hydrological Phases  aNew YorkbJohn Wiley and Sonsc1951  a545  aEngineering and allied operations  aTechnology (Applied sciences)  aIrrigation engineering