Authors: Marcel E Visser; Frank Adriaensen; Johan H Van Balen; Jacques Blondel; André A Dhondt; Stefan Van Dongen; Chris Du Feu; Elena V Ivankina; Anvar B Kerimov; Jenny De Laet; Erik Matthysen; Robin McCleery; Markku Orell; David L Thomson Journal: Proc Biol Sci Date: 2003-02-22 Impact factor: 5.349