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White KG, Brown GS.White KG, et al. Among authors: brown gs.J Exp Anal Behav. 2011 Jul;96(1):7-15. doi: 10.1901/jeab.2011.96-7.J Exp Anal Behav. 2011.PMID: 21765543Free PMC article.
White KG, Brown GS.White KG, et al. Among authors: brown gs.J Exp Anal Behav. 2011 Sep;96(2):177-89. doi: 10.1901/jeab.2011.96-177.J Exp Anal Behav. 2011.PMID: 21909163Free PMC article.