sponsored by the Irrigation and Drainage Division of the American Society of Civil Engineers and the Oregon Section, ASCE ; in cooperation with the American Society of Agricultural Engineers ... [et al.] ; Portland, Oregon, July 28-30, 1987 ; edited by Darell D. ZimbelmanASCEc1987
全国の図書館
- 件名Irrigation engineering -- Congresses Irrigation scheduling -- Data processing -- Congresses
- 件名（識別子）Irrigation engineering -- Congresses Irrigation scheduling -- Data processing -- Congresses