@book{1918,
	author = {Atwater, Mary. and Daniel, Lucy.},
	title = {Physical science, macmillan/mcgraw hill /},
	publisher = {Macmillan / McGraw-Hill,},
	year = {1995.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B000LUB9N6/chopaconline-20}
}