@article{112921,
      url = {http://digitallibrary.un.org/record/112921},
      title = {List of documents : Preparatory Committee for the United  Nations Conference on Environment and Development, 2nd  session.},
      publisher = {UN,},
      recid = {112921},
      pages = {4 p.},
      address = {Geneva :. 1991-03-12},
      year = {1991},
      month = {Mar},
}