1. 1
    by Rohlen, Thomas P.
    Published 1974
    ...HD 70 .J3 .R738...
    Book
  2. 2
    Published 1994
    ...HD 8653.5 .D489...
    Book
  3. 3
    Published 1989
    ...HC 665 .N2767 7th...
    Conference Proceeding Book
  4. 4
    Published 1994
    ...HD 3616 .A78 .B979...
    Book