?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Le%2C+Van+Dat&rft.aulast=Le&rft.aufirst=Van+Dat&rft.date=October+2011&rft.title=A+Fast+and+Efficient+Method+for+Estimating+Amino+Acid+Substitution+Models&rft.genre=proceeding