627.52
P436W
           Pereira, Luis S (Ed.)_
               Water and the environment innovations issues in irrigation and drainage \ Luis S Pereira - London : E and F N Spon, 1998.
               xii, 470p.
                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

                ISBN: 0-419-23710-0

141769
                Subjects: Irrigation engineering-Congresses; Drainage-Congresses; Water quality management-Congresses.