Filtering by: Committee Lucchesi, John, Emory University Remove constraint Committee: Lucchesi, John, Emory University Committee Kelly, William Joseph, Emory University Remove constraint Committee: Kelly, William Joseph, Emory University Degree PhD Remove constraint Degree: PhD Graduation year sim 2012 Remove constraint Graduation year sim: 2012 Keyword evolution Remove constraint Keyword: evolution Submission Type Dissertation Remove constraint Submission Type: Dissertation