Richter, M., W. Horn, O. Jann, E. Juritsch, A. Klinge, E. Roswag, P. Fontana, and L. Miccoli. “Indoor Air Emission Tests of Natural Materials”. Academic Journal of Civil Engineering 33, no. 2 (June 22, 2015): 641-643. Accessed April 23, 2024. https://journal.augc.asso.fr/index.php/ajce/article/view/1789.