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Crumpton E, Wine DB, Groot H.Crumpton E, et al.Psychol Rep. 1966 Dec;19(3):1110. doi: 10.2466/pr0.1966.19.3f.1110.Psychol Rep. 1966.PMID: 4381002No abstract available.
Crumpton E, Wine DB, Drenick EJ.Crumpton E, et al.J Gen Psychol. 1967 Apr;76(2d Half):179-82. doi: 10.1080/00221309.1967.9710387.J Gen Psychol. 1967.PMID: 6034046No abstract available.
Crumpton E, Groot H.Crumpton E, et al.Psychol Rep. 1966 Dec;19(3):927-33. doi: 10.2466/pr0.1966.19.3.927.Psychol Rep. 1966.PMID: 5981104No abstract available.