1. 1
    by Dent, N. J. H., 1945-
    Published 1989
    ...Blackwell,...
    Book
  2. 2
    by Levine, Andrew, 1944-
    Published 2002
    ...Blackwell,...
    Book
  3. 3
    by Dent, N. J. H., 1945-
    Published 1992
    ...Blackwell Reference,...
    Book