@article{417430,
      url = {http://library.usi.edu/record/417430},
      title = {Materials count the case for material flows analysis /  [electronic resource] :},
      publisher = {National Academies Press,},
      recid = {417430},
      pages = {xvi, 124 p. :},
      address = {Washington, D.C. :},
      year = {2004},
}