Barbara M. Scholz-Böttcher; Müfit Bahadir; Henning Hopf (1992). "The Beilstein Test: An Unintentional Dioxin Source in Analytical and Research Laboratories". Angewandte Chemie International Edition in English. 31 (4): 443–444. doi:10.1002/anie.199204431. /wiki/Angewandte_Chemie_International_Edition_in_English