00347nam a2200109Ia 4500008004100000020001500041082001900056100001800075245009000093260004200183300001200225161229s9999    xx            000 0 und d  a0195632273  a333.913 TUS/GR  aTushaar, Shah  aGroundwater markets and irrigation development: political ecnomy and practical policy  bOxford University PressaBombayc1993  axx, 241