@article{Ma2013,
 author={Xin Ma and  Joanna L. Kelley and  Kirsten Eilertson and  Shaila Musharoff and  Jeremiah D. Degenhardt and  Andre L. Martins and  Tomas Vinar and  Carolin Kosiol and  Adam Siepel and  Ryan N. Gutenkunst and  Carlos D. Bustamante},
 title={{Population Genomic Analysis Reveals a Rich Speciation and Demographic History of Orang-utans (Pongo pygmaeus and Pongo abelii)}},
 journal={PLoS One},
 volume={8},
 number={10},
 pages={e77175},
 year={2013}
}