@book{2477,
	author = {McGraw-Hill.},
	title = {Mcgraw hill encyclopedia of science & technology /},
	publisher = {McGraw-Hill Professional,},
	year = {2007.},
	series = {Mcgraw-hill encyclopedia of science & technology (20v.)},
	address = {[S.l.] :},
	edition = {10th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0071441433/chopaconline-20}
}