TY - BOOK AU - Eckstein,Ott TI - Water-resources development : : the economics of project evaluation / U1 - 333.91 ECK PY - 1958/// CY - Cambridge : PB - Harvard University Press , KW - Water resource development KW - United States N1 - "An earlier version was submitted to Harvard University as a doctora l thesis in 1955"; Includes bibliography ER -