Driving forces in free visual search: An ethology
Attention Perception & Psychophysics (2014) - Comment
pubmed: 24385137  doi: 10.3758/s13414-013-0608-9  issn: 1943-393x  issn: 1943-3921 

W. Joseph MacInnes, Amelia R. Hunt, Matthew D. Hilchey, Raymond M. Klein