@book{13577,
	author = {Resendiz, Daniel.},
	title = {Soft-ground tunneling /},
	publisher = {Resendiz ,},
	year = {1981.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9061912016/chopaconline-20}
}