1. 1
    by Barth, Gunther Paul
    Published 1980
    ...Oxford University Press,...
    Book
  2. 2
    Published 1984
    ...Oxford University Press,...
    Book
  3. 3
    by Lotchin, Roger W.
    Published 1992
    ...Oxford University Press,...
    Book
  4. 4
    by Davis, Allen Freeman, 1931-
    Published 1967
    ...Oxford University Press,...
    Thesis Book