Leighton Pritchard, Hui Liu, Clare Booth, Emma Douglas, Patrice François, Jacques Schrenzel, Peter E. Hedley, Paul R. J. Birch, Ian K. Toth
PLoS Comput Biol. 2009 August; 5(8): e1000473. Published online 2009 August 21. doi: 10.1371/journal.pcbi.1000473