Marc Tänzer, Benjamin Balluff, Jürgen Distler, Kari Hale, Andreas Leodolter, Christoph Röcken, Bela Molnar, Roland Schmid, Catherine Lofton-Day, Tibor Schuster, Matthias P. A. Ebert
PLoS One. 2010; 5(2): e9061. Published online 2010 Feb 4. doi: 10.1371/journal.pone.0009061