@article{189870,
      url = {http://digitallibrary.un.org/record/189870},
      title = {Validity of welding techniques for sheets with  plastic-covered cloth /},
      publisher = {UN,},
      recid = {189870},
      pages = {2 p.},
      address = {Geneva :. 1993-04-23},
      year = {1993},
      month = {Apr},
}