W W Cumming, W N Schoenfeld. Show Affiliations »
Abstract
Year: 1959 PMID: 16811243 PMCID: PMC1403859 DOI: 10.1901/jeab.1959.2-87
Source DB: PubMed Journal: J Exp Anal Behav ISSN: 0022-5002 Impact factor: 2.468