TY - GEN AU - Pereira, Luis S. ; Gowing, John W. eds. TI - Water and the environment : innovation issues in irrigation and drainage SN - 0419237100 PY - 1998/// CY - Oxon PB - E & FN Spon KW - IRRIGATION-DRAINAGE KW - IRRIGATION ENGINEERING-CONGRESSES KW - WATER QUALITY MANAGEMENT ER -