@book{337,
	author = {Skoog, Douglas A. and West, Donald M.},
	title = {Fundamentals of analytical chemistry },
	publisher = {Holt McDougal,},
	year = {1976.},
	address = {New York:},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0030894956/chopaconline-20}
}