@book{6641,
	author = {COHEN, Julius S. and Committee on Mental Retardation, Institute for the study of Mental Retardation, National Institute of Child Health and Human Development, Canadian Association for the Mentally Retarded, BANFF International Conference},
	title = {Manpower and mental retardation},
	publisher = {[Committee on Mental Retardation]},
	year = {[1970]},
	address = {[Washington]}
}