@article{722459,
      url = {http://digitallibrary.un.org/record/722459},
      title = {National research on space debris, safety of space objects  with nuclear power sources on board and problems relating  to their collision with space debris : note /},
      publisher = {UN,},
      recid = {722459},
      pages = {10 p.},
      address = {Vienna :. 2011-12-09},
      year = {2011},
      month = {Dec},
}