1. 1
    Published 1987
    ...HF 3790.8 .Z7 .C6 .A816...
    Book
  2. 2
    Published 1989
    ...HF 1592.5 .C5 .A0816...
    Conference Proceeding Book
  3. 3
    Published 1995
    ...HC 460.5 .E132...
    Book