@book{957,
	author = {Barrett, Jack. and Abel, E W.},
	title = {Atomic structure and periodicity :},
	publisher = {Royal Society of Chemistry,},
	year = {2002.},
	series = {Tutorial chemistry texts.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0854046577/chopaconline-20}
}