| Literature DB >> 977520 |
D M Maloney, T M Harper, C J Braukmann, D L Fixsen, E L Phillips, M M Wolf.
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Year: 1976 PMID: 977520 PMCID: PMC1311948 DOI: 10.1901/jaba.1976.9-371
Source DB: PubMed Journal: J Appl Behav Anal ISSN: 0021-8855