Authors: Karen A Spencer; Katherine L Buchanan; Stefan Leitner; Arthur R Goldsmith; Clive K Catchpole Journal: Proc Biol Sci Date: 2005-10-07 Impact factor: 5.349
Authors: Carlos A Botero; Andrew E Mudge; Amanda M Koltz; Wesley M Hochachka; Sandra L Vehrencamp Journal: Ethology Date: 2008-12-01 Impact factor: 1.897