- Hoffmann, Hartmut; Mauch, Werner; Untze,
Werner (January 2002).
Zucker und
Zuckerwaren [Sugar and Confections] (in German). Behr's
Verlag DE. p. 124. ISBN 9783860229378...
-
since 2002. On June 30, 2003, Wilh. Schmitz-Scholl Schokoladen- und
Zuckerwaren GmbH (Wissoll) was
taken over by the Dortmund-based
confectionery manufacturer...