00656cam a2200229 4500 2527316 BD-DhUL 20160518172445.0 700127s1970 enka b 00100 eng 70103595 0080069843 ANL eng ANL BD-DhUL 333.913 CLE Clark, Colin, 1905-1989. The economics of irrigation / Colin Clark. 2d ed., completely rev. and enl. New York : Pergamon Press, 1970. ix, 155 p. : ill. ; 22 cm. Bibliography: p. 134-140. Irrigation Economic aspects. ddc BK 67600 67600 0 0 ddc 0 333_913000000000000_CLE 0 NFIC 114875 DUL DUL GEN 2016-05-18 Purchased 333.913 CLE A103010 2016-05-18 2016-05-18 BK