Seminar on Irrigation and Drainage ((1963 : : Tokyo)) creator International Commission on Irrigation and Drainage text bibliography conference publication ii New Delhi International Commision on Irrigation and Drainage [1963?] 1963 monographic eng fre

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1 v. (various pagings) illus., maps. 24 cm. English or French. Includes bibliographies. Irrigation Congresses Drainage Congresses Irrigation farming Congresses S607 .S4 1963 sa 65002366 DLC 820222 20260227112116.0 sa 65002366