@book{4801,
	author = {Routh, Donald K.,},
	title = {The Experimental psychology of mental retardation.},
	publisher = {Aldine Pub. Co.},
	year = {[1973]},
	address = {Chicago,},
	note = {Proceedings of the 6th of a series of meetings; proceedings of the fifth are entered under the title: Learning approaches to therapeutic behavior change; the 7th under Conference on Current Concerns in Clinical Psychology, 7th, University of Iowa, 1971.}
}