innovations issues in irrigation and drainage Pereira, Luis S (Ed.)_ creator Gowing, John W (Ed.) text xx London E and F N Spon 1998 9999 monographic und xii, 470p. Inter-Regional Conference "Environment-Water Innovative issues in Irrigation and Drainage(1st 1998 Lisbon,Portugal)organized by the Portuguese National Committee of the International Commission on Irrigation and Drainage. The conference offers a review by Luis S Pereira Portugese National committee of the international commission on irrigation and Drainage selected papers of the 1st inter-Regional conference "Environment waters innorative issues in irrigation and drainage" held in Lisbon, Portugal, September 1998 Irrigation engineering-Congresses; Drainage-Congresses; Water quality management-Congresses 627.52 P436W 0-419-23710-0 98-26951 NITIL 190327