@article{ElbersRichter1994,
  author    = {Elbers, Gereon and Richter, J.},
  title     = {Messung kraftfahrzeugbedingter Rußimmissionen},
  series = {Staub, Reinhaltung der Luft : air quality control. 54 (1994)},
  journal   = {Staub, Reinhaltung der Luft : air quality control. 54 (1994)},
  isbn      = {0039-0771},
  pages     = {19},
  year      = {1994},
  language  = {de}
}
@techreport{AdlerHeymerRichteretal.2009,
  author    = {Adler, J. and Heymer, H. and Richter, H. J. and Fend, Th. and Smirnova, O. and Rietbrock, P. and Petchenko, A. and Issendorff, F. v. and Steven, M. and Trimis, D. and Gonsior, Daniel and Helsper, Christoph and Hoffschmidt, Bernhard},
  title     = {INNOTRAP - innovative Rußfilter f{\"u}r LKW-Dieselmotoren : Abschlussbericht F{\"o}rderkennzeichen 16IN0313},
  pages     = {245 S. : Ill., graph. Darst.},
  year      = {2009},
  language  = {de}
}