00492nam a2200181Ia 4500008004100000020001500041082001800056100002100074245005000095260003000145300000800175650003300183650002000216700001600236700001800252700002000270700002000290170901s1986    xx            000 0 und d  a0821307630  a363.728bS41W  aShuval, Hillel I 0aWastewater Irrigation in Developing Countries  aUSAbThe World Bankc1986  a325  aSocial problems and services  aSocial sciences  aAdin, Avner  aFattal, Badri  aRawitz, Eliyahu  aYekutiel, Perez