1. 1
    by Churchman, Geoffrey B.
    Published 1988
    ...HE 3550.5 .Z7 .S7 .C563...
    Book
  2. 2
    by Churchman, Geoffrey B.
    Published 1988
    ...HE 3550.5 .Z7 .S7 .C563 1988...
    Book
  3. 3
    by John, Robert A., 1948-
    Published 1984
    ...HE 3550.5 .J65 e...
    Book
  4. 4
    by Churchman, Geoffrey B.
    Published 1990
    ...HE 3550.5 .Z7 .S7 .C563 1990...
    Book
  5. 5
    by Churchman, Geoffrey B.
    Published 1995
    ...HE 3550.5 .Z7 .S7 .C563 1995...
    Book