1. 1
    ...HD 1120.5 .Z7 .M216...
    Conference Proceeding Book
  2. 2
    by Hill, Richard S.
    Published 1989
    ...HD 1120.5 .Z8 .W13 .H647...
    Book
  3. 3
    Published 1995
    ...HD 1120.5 .Z8 .W13 .S955...
    Book