@book{318,
	author = {Skoog, Douglas A. and West, Donald M.},
	title = {Principles of instrumental analysis /},
	publisher = {Thomson Learning,},
	year = {1992.},
	address = {USA},
	edition = {International 2 Revised Ed.},
	note = {International Edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0030753988/chopaconline-20}
}