@book{4413,
	author = { Cunningham,  William P.                   and Cunningham, Mary A },
	title = {Environmental science :},
	publisher = {McGraw-Hill Higher Education,},
	year = {2012.},
	address = {New York:},
	edition = {12th ed.},
	note = {Includes index.},
	url = {http://172.20.27.22:4000/handle/123456789/142}
}