@book{1292,
	author = {Porterfield, William W.},
	title = {Inorganic chemistry :A Unified Approach},
	publisher = {Addison-Wesley Educational Publishers Inc.,U.S.,},
	year = {1985.},
	series = {World student.},
	address = {[S.l.] :},
	edition = {New Ed.},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0201057239/chopaconline-20}
}