@book{6230,
	author = {Cunningham, William P. and Cunningham, Mary Ann.},
	title = {Principles of Environmental Science : inquiry and applications},
	publisher = {Mcgraw-Hill (Tx),},
	year = {2002.},
	address = {[S.l.] :},
	url = {http://10.10.170.122:8080/browse/book/4591}
}