@book{3463,
	author = {Food and Agriculture Organization of the United Nations. and Gray, John Stuart, and United Nations Environment Programme.},
	title = {Manual of methods in aquatic environment research.},
	publisher = {FAO,},
	year = {1975-<1992   >},
	address = {Rome :},
	note = {"Based on papers presented at the second FAO/SIDA training course, held in Göteborg and Stockholm from 31 July to 9 September 1973"--V. 1.}
}