@phdthesis{Procopio-PhdThesis-07,
   author = {Michael J. Procopio},
   title = {An Experimental Analysis of Classifier Ensembles for Learning Drifting Concepts Over Time in Autonomous Outdoor Robot Navigation},
   school = {University of Colorado at Boulder},
   year = {2007},
   month = {December},
   address = {Boulder, CO}
}