Twinchek, Michael S. (10) Porter, Michael E. (2) Gross, Alan G (university Of Minnesota-twin Cities), Harmon, Joseph E (argonne National Laboratory), Reidy, Assistant Professor Of History Michael S (montana State University) (1) Billings, Andrew C., Butterworth, Michael L. (1) Billings, Andrew C., Butterworth, Michael L., Lewis, Nicky (1)