Selection of procedures in mental subtraction
Canadian Journal of Experimental Psychology/Revue canadienne de psychologie expérimentale (2006) - Comment
doi: 10.1037/cjep2006020  issn: 1878-7290  issn: 1196-1961  pubmed: 17076436 

Jo-Anne LeFevre, Diana DeStefano, Marcie Penner-Wilger, Karen E. Daley