@book{28183,
	author = {Inter-Regional Conference "Environment-Water: Innovative Issues in Irrigation and Drainage" (1st 2003:Lisbon, Portugal) and Pereira, Luis S.},
	title = {Water and the environment :},
	publisher = { E & FN Spon,},
	year = { 1998},
	address = {Abingdon, UK:}
}