@book{7738,
	author = {Swokowski, Earl. W. and Cole, Jeffery.},
	title = {Precalculus : functions and graphs},
	publisher = {Thomson Book Cool,},
	year = {2007.},
	address = {Australia:},
	edition = {11th ed.},
	url = {http://10.10.170.122:8080/browse/book/21089}
}