@book{20397,
	author = {United States.},
	title = {Opportunities for the study of engineering at American higher institutions.},
	publisher = {Govt. print. off.,},
	year = {1920]},
	series = {Higher education circular},
	address = {[Washington,},
	note = {Caption title.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00299339312}
}