More than just Lubricants (Falko Preußer, Dr. Lutz Matthies: "More than just Lubricants". In: Kunststoffe international, Vol. 11/2013, p. 76-77)
Völpker broadens scope for montan wax (Andy Beaver:"Völpker broadens scope for montan wax". In: compounding WORLD, Vol. 05/2013, p. 66)
Natural montan wax and ist raffinates (Dr. Lutz Matthies: "Natural montan wax and ist raffinates", In: European Journal of Lipid Science and Technology, Vol. 103, 04/2001, p. 239-248)