W W Cumming, W N Schoenfeld. Show Affiliations »
Abstract
Year: 1958 PMID: 16811225 PMCID: PMC1403938 DOI: 10.1901/jeab.1958.1-245
Source DB: PubMed Journal: J Exp Anal Behav ISSN: 0022-5002 Impact factor: 2.468