@article{248650,
      author = {Sieverdingbeck, A. and Engels, B. and Spengler, Th. and  Rentz, O.},
      url = {http://digitallibrary.un.org/record/248650},
      title = {Determination of technical and economical effects of  process integrated environmental measures in the iron and  steel industry : summary /},
      publisher = {UN,},
      recid = {248650},
      pages = {2 p.},
      address = {Geneva :. 1997-12-12},
      year = {1997},
      month = {Dec},
}