1. 1
    by Johnson, Jon Ragnar, 1942-
    Published 1988
    ...HF 1480.15 .U8 .J67...
    Book
  2. 2
    by Holmes, Frank, 1924-2011
    Published 1992
    ...HF 1713 .H749...
    Book
  3. 3
    by Dent, Christopher M., 1965-
    Published 2006
    ...HF 2294 .D414 2006...
    Book