@book{67906,
	author = {Kingsley, Howard L.},
	title = {The nature and conditions of learning},
	publisher = {Prentice-Hall},
	year = {1957.},
	series = {Prentice-Hall psychology series},
	address = {Englewood Cliffs, N.J.},
	edition = {2d ed.},
	note = {920819}
}