Jörg U. Ganzhorn, Summer Arrigo-Nelson, Sue Boinski, An Bollen, Valentina Carrai, Abigail Derby, Giuseppe Donati, Andreas Koenig, Martin Kowalewski, Petra Lahann, Ivan Norscia, Sandra Y. Polowinsky, Christoph Schwitzer, Pablo R. Stevenson, Mauricio G. Talebi, Chia Tan, Erin R. Vogel, Patricia C. Wright
PLoS One. 2009; 4(12): e8253. Published online 2009 Dec 16. doi: 10.1371/journal.pone.0008253