@book{42229,
	author = {Bernard, Ted and Mosepele, Keta},
	title = {Environmental monitoring of tropical and subtropical wetlands: proceedings of a conference in Maun, Botswana, December 4-8, 2002},
	publisher = {Harry Oppenheimer Okavango Research Centre},
	year = {2003},
	series = {Okavango report series No.1},
	address = {Maun, Botswana:}
}