@book{22208,
	author = {United States.},
	title = {Three-dimensional teaching aids for trade and industrial instruction.},
	publisher = {U.S. Department of Health, Education, and Welfare, Office of Education,},
	year = {[1953]},
	address = {Washington :},
	note = {"Planned and compiled by Committee on Teaching Aids; appointed at the North Atlantic Regional Conference for Trade and Industrial Education, Division of Vocational Education, Office of Education, New York, NY, April 15-17, 1952."--t.p. verso.}
}