@book{448,
	author = {Pipkin, Bernard W.},
	title = {Geology and the environment.},
	publisher = {Thomson Brooks/Cole,},
	year = {c2008.},
	address = {Belmont, CA :},
	edition = {5th ed. /},
	note = {Prev. ed. Geology and the environment / Bernard W. Pipkin, D.D. Trent, Richard Hazlett. 4th ed. 2005.}
}