1. 1
    by John, Robert A., 1948-
    Published 1984
    ...HE 3550.5 .J65 e...
    Book
  2. 2
    by Churchman, Geoffrey B.
    Published 1992
    ...HE 3550.5 .Z7 .S7 .C563 s...
    Book
  3. 3
    by Taylor, Ivan D., 1932-
    Published 2005
    ...HE 368.2 .Z6 .C2 .T242 2005...
    Book