?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Counterman%2C+BA&rft.aufirst=BA&rft.aulast=Counterman&rft.issue=2&rft.issn=1553-7390&rft.title=PLoS+Genetics&rft.date=5+February+2010&rft.atitle=Genomic+hotspots+for+adaptation%3A+The+population+genetics+of+M%C3%BCllerian+mimicry+in+Heliconius+erato&rft.volume=6&rft.genre=article