00711nam a2200217Ia 4500008004100000020001500041082001700056100002700073245008500100260003300185300000800218650001400226650002000240653001500260653002500275653002600300653001500326942001200341999001500353952012500368170901s1977    xx            000 0 und d  a0080215882  a333.73bW85A  aWorthington, E. Barton 0aArid Land Irrigation in Developing CountriesbEnvironmental Problems and Effects  aOxfordbPergamon Pressc1977  a463  aEconomics  aSocial sciences  aArid lands  aDeveloping countries  aEnvironmental aspects  aIrrigation  2ddccBK  c2558d2558  00102ddc4070aRAUbRAUd2017-10-18ePanima, New DelhifUSDg105.00l0o333.73 W85Ap32757r2017-10-18w1982-02-02yBK