1. 1
    by John, Robert A., 1948-
    Published 1977
    ...HE 3488 .J65 l...
    Book
  2. 2
    Published 1972
    ...HE 3488 .A454...
    Book
  3. 3
    by Churchman, Geoffrey B.
    Published 1990
    ...HE 3550.5 .C563 n...
    Book
  4. 4
    Published 1972
    ...HE 3550.5 .C697 1972...
    Book
  5. 5
    by McClare, G. J.
    Published 1998
    ...HE 3550.5 .Z7 .W4 .M126...
    Book