@book{19640,
	author = {Ayres, Leonard Porter,},
	title = {Some conditions affecting problems of industrial education in 78 American school systems},
	publisher = {Division of education, Russell Sage foundation,},
	year = {[1914]},
	series = {[Russell Sage foundation, New York. Division of education. Pamphlets] E135},
	address = {New York,},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00195960628}
}