?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Alexander+M.&rft.aulast=Petersen&rft.au=Petersen%2C+Alexander+M.&rft.inst=Boston+University%2C+Graduate+School+of+Arts+and+Sciences&rft.tpages=152&rft.degree=PhD+Thesis&rft.title=Applications+of+Statistical+Physics+to+the+Social+and+Economic+Sciences&rft.date=2011