Understanding phylogenies in biology: the influence of a Gestalt Perceptual Principle
Journal of Experimental Psychology Applied (2007) - Comment
pubmed: 18194047  doi: 10.1037/1076-898x.13.4.197  issn: 1076-898x  issn: 1939-2192 

Laura R. Novick, Kefyn M. Catley