1. 1
    by Barker, R. J.
    Published 1981
    ...Australian Government Publishing Service,...
    Book
  2. 2
    by Rounsevell, D. E.
    Published 1981
    ...Australian Government Publishing Service,...
    Book
  3. 3
    by Chang, Ch'ing-sung
    Published 1984
    ...Australian Government Publishing Service,...
    Book