The comparative approach and brain-behaviour relationships: a tool for understanding tool use
Canadian Journal of Experimental Psychology/Revue canadienne de psychologie expérimentale (2009) - Comment
pubmed: 19485606  doi: 10.1037/a0015678  issn: 1196-1961  issn: 1878-7290 

Andrew N. Iwaniuk, Louis Lefebvre, Douglas R. Wylie