@book{9887,
	author = {Enger, Eldon D. and Smith, Bradley Fraser.},
	title = {Environmental science :},
	publisher = {W.C. Brown,},
	year = {c1992.},
	address = {Dubuque, IA :},
	edition = {4th ed. /},
	note = {Rev. ed. of: Environmental science / Eldon D. Enger ... [et al.]. 3rd ed. c1989.}
}