1. Industrial Chocolate Manufacture and Use;Beckett,1988
2. Post harvest processing in Asia: approaches towards flavour improvement;Biehl,1995
3. Chemical and physical changes in the pulp during ripening and post harvest storage of cocoa pods;Biehl;Journal of Science and Food Agriculture,1989
4. Chocolate Production and Use;Cook,1982
5. Süßwarentechnologie I: Schokolade;Drouven,1996