@book{20171,
	author = {OXTOBY, David W., H.P. Gillis  and Norman H. Nachtrieb and Edited by Kent Porter Hamman},
	title = {Principle of modern  cahemisrty},
	publisher = {Brooks/cole and Thomsn Learning,},
	year = {2002.},
	address = {Australia,},
	edition = {Fourth edition}
}