na INLIS000000000032780 Ind 0010-1218014618 Modernizing irrigation operations: spatially differentiated resource allocations RENAULT, D. D. Renault; I.W. Makin Colombo International Water Management Institute 1999 v, 21 p.: ill.; 28 cm.-- v, 21 p.: ill.; 28 cm.-- Sr. Bibl.: p. 20-21 631.674 IRRIGATION SYSTEMS MODERNIZATION 306/MS/2000