1. 1
    Published 1983
    ...United Nations,...
    Conference Proceeding Book
  2. 2
    Published 1985
    ...United Nations,...
    Government Document Conference Proceeding
  3. 3
  4. 4
    Published 2006
    ...United Nations University Press,...
    Table of contents
    Book
  5. 5
    Published 1993
    ...South Pacific Regional Environment Programme and United Nations Environment Programme,...
    Book