David F. Champion

发表

David F. Champion, Robert L. Rollier, Donald P. Frederick, 1988 .

David F. Champion, Robert L. Rollier, Stephen D Knapp, 1988 .

David F. Champion, Paul R. Roberson, David E. Lewis, 1988 .

Ronald F Martere, Jamie W. Purvis, David F. Champion, 1989 .

David F. Champion, Robert L. Rollier, Paul R. Roberson, 1988 .

David F. Champion, Bert W. Westbrook, D. Champion, 1984 .