Design of irrigation structures /
Sehgal, P.P. .
Design of irrigation structures / Textual Documents P.P. Sehgal. - 1 / . - Delhi : Khanna publishers , 1977. - 242 ; .
22.5
627.52 / SEH/DE
Design of irrigation structures / Textual Documents P.P. Sehgal. - 1 / . - Delhi : Khanna publishers , 1977. - 242 ; .
22.5
627.52 / SEH/DE
