@book{9721,
	author = {Hammons, Anna S.},
	title = {Methods for ecological toxicology :},
	publisher = {Technomic Pub Co,},
	year = {1981.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/025040480X/chopaconline-20}
}