Zafar G.F. Forty years of research in the irrigation research institute Lahore: technical reports part A / - Bibliographt 1947 to 1964 - Lahore: Irrigation Research Institute; 1968. - 62 pages:illustrations, 28cm - Part-B Volume-II . Hydraulic divisions Hydel projects River training In English Pbk Subjects--Topical Terms: Mathematics | Physics | Chemistry Dewey Class. No.: 628.8 FOR 1968