@book{2848,
	author = {Jensen, Cecil. and Helsel, Jay D.},
	title = {Engineering Drawing and Design },
	publisher = {Mcgraw Hill Pub.},
	year = {1990.},
	address = {New York},
	edition = {4th ed.},
	url = {http://10.10.170.122:8080/browse/book/20121}
}