@article{139317,
      url = {http://digitallibrary.un.org/record/139317},
      title = {Report on the protection and preservation of the outer  space environment, especially activities potentially  affecting the Earth environment : working paper /},
      publisher = {UN,},
      recid = {139317},
      pages = {2 p.},
      address = {[New York] :. 1992-02-11},
      year = {1992},
      month = {Feb},
}