WAPCOS
Brief report of the seminar on seepage loss measurements for irrigation channels, May 11,1981 - New Delhi WAPCOS 1981 - 6 p.
Seepage loss
(047.3)626.81:624.131.6 W22B
Brief report of the seminar on seepage loss measurements for irrigation channels, May 11,1981 - New Delhi WAPCOS 1981 - 6 p.
Seepage loss
(047.3)626.81:624.131.6 W22B