@book{16766,
	author = {Clarke, Robin. and United Nations Environment Programme.},
	title = {The pollution of lakes and reservoirs /},
	publisher = {United Nations Environment Programme,},
	year = {1994.},
	address = {Nairobi, Kenya :},
	note = {"... based on Survey of the state of world lakes, vols 1-V (ILEC/UNEP, 1988-93) and other sources"--T.p. verso.}
}