@book{166253,
	author = {Chongui�ca, Ebeniz�ario. and IUCN Regional Office for Southern Africa.},
	title = {Assessing the need for a regional approach to environmental impact assessment in southern Africa /},
	publisher = {IUCN--the World Conservation Union, Regional Office for Southern Africa,},
	year = {2003.},
	address = {Harare :}
}