@book{69416,
	author = {Mansfield, Edwin. and Cowles Foundation for Research in Economics at Yale University.},
	title = {Industrial research and technological innovation : },
	publisher = {Norton, },
	year = {1968},
	address = {New York : },
	edition = {1st ed.},
	note = {"Published for the Cowles Foundation for Research in Economics at Yale University."}
}