1. 1
    Published 1986
    ...HN 937 .F477...
    Book
  2. 2
    Published 1988
    ...HC 681 .Z9 .E5 .E615...
    Conference Proceeding Book
  3. 3
    by Crocombe, R. G.
    Published 2001
    ...HN 930.7 .C938 2001...
    Book
  4. 4
    ...HN 937 .N331...
    Book