00480 a2200169 4500 333.7616 ECK 25209 42291 Eckstein, Otto Water resources development the economics of project evalution Cambridge Harvard University Press 1958 1968 xiii,300p. 21cm Economics of Land Energy Economics Rural Lands Natural resources and Energy L 52197 52197 0 0 0 0 LEN MKDL MKDL LEN 2009-11-23 0 333.7616ECK 64522 2009-11-23 00:00:00 0.00 2016-10-31 L