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	1.	Effects of locus of control on induction of learned helplessness. [electronic resource] by Adams, B J Dewson, M R Producer: 19830214 In: Psychological reports vol. 51 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Sensory reinforcement of head turning with nonambulatory, profoundly mentally retarded persons. [electronic resource] by Dewson, M R Whiteley, J H Producer: 19871204 In: Research in developmental disabilities vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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