@book{287734,
	author = {CENSUS BUREAU, Commerce Dept.},
	title = {1967 census of construction industries :},
	year = {1971]-},
	address = {[Washington, D.C.,},
	note = {[Construction Statistics Division.]},
	url = {https://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=0133-D-02&SYS=000741420}
}