1. 1
    by Sheaf, Sue
    Published 1993
    Book
  2. 2
    by Steele, David, 1955-
    Published 1989
    Book
  3. 3
  4. 4
    Serial
  5. 5
    Full text available from 2011/12 to present
    Electronic Serial
  6. 6
  7. 7
    Published 1984
    Journal