Julius Lewkowitsch: Chemical Technology and Analysis of Oils, Fats and Waxes. Vol. 1, Fourth Edition, Macmillan and Company, 1909, S. 182, archive.org.
hathitrust.org
babel.hathitrust.org
Albin H. Warth: The Chemistry and Technology of Waxes. Second Edition, Reinhold Publ., 1956, S. 91, online auf babel.hathitrust.org, abgerufen am 1. November 2017.
