@book{9900,
	author = {Radford, Loren. and Vavra, Anthony.},
	title = {Introduction to technical mathematics /},
	publisher = {Prindle Weber & Schmidt,},
	year = {1983.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0871503395/chopaconline-20}
}