00419nam a2200109Ia 4500008004100000020001400041040004400055100002600099245011700125260005200242300001500294180412s9999||||xx |||||||||||||| ||und||  a801817013  aAhmadu Bello University Library - Zaria  aFrederick, Kenneth D. 0aWater management & agricultural develpoment : a case study of the cuyo region of ArgentinacKenneth D. Frederick  aBaltimorebJohns Hopkins University Pressc1975  axiv, 187p.