1. 1
    Published 1987
    ...HD 6095 .I55...
    Book
  2. 2
    Published 1988
    ...HD 171 .A15 .L253...
    Conference Proceeding Book
  3. 3
    Published 1993
    ...HC 110 .W32 .T396...
    Book
  4. 4
    Published 1989
    ...HD 2746.5 .H831...
    Book
  5. 5
    Published 1991
    ...HV 741 .C5365...
    Book
  6. 6
    Published 1989
    ...HQ 471 .P8363...
    Conference Proceeding Book