@book{30467,
	author = {Hoban, Charles Francis and Van Ormer, Edward Bunn and Pennsylvania},
	title = {Instructional film research 1918-1950},
	publisher = {Arno Press},
	year = {1970.},
	series = {The Literature of cinema},
	address = {New York},
	note = {First issued in 1951 as Technical report no. SDC 269-7-19 of the Instructional Film Research Program, Pennsylvania State College.}
}