Vajda, A. de Some aspects of surface water development in arid regions / by A. de Vajda - Rome : FAO, 1952 - v, 45 p. : map., photos ; 21 cm. - FAO development paper ; Agriculture no. 21 . ISBN: USD 0.50 (pbk.) Subjects--Topical Terms: Water waves--DevelopmentSoil moistureGroundwater Dewey Class. No.: 630.82