@article{12639,
      recid = {12639},
      author = {Schneider, T.},
      title = {Air pollution reference measurement methods and systems :  proceedings of the international workshop, Bilthoven,  December 12-16, 1977 /},
      publisher = {Elsevier Scientific Pub. Co.,},
      address = {Amsterdam ;},
      pages = {vi, 168 p. :},
      year = {1978},
      url = {http://library.usi.edu/record/12639},
}