1. K. Dahlke, M. Eichelsbacher: EnzyMax(r) and ALCON(r)- Lurgi′s route to physical refining. In: Emerging Technologies, Current Practices, Quality Control, Technology Transfer, and Environmental Issues, I. Eds. S. S. Koseoglu, K. C. Rhee, R. F. Wilson. AOCS Press, Champaign IL (USA) 1998, pp. 53-59.
2. H. Stage: Physical refining of vegetable oils with special emphasis on soy oil today and tomorrow. In: Proc. of the Second American Soybean Association (ASA) Symposium on Soybean Processing. ASA, 1983, Paper No. 9, pp. 1-22.
3. F. A. Norris: Refining and bleaching. In: Bailey′s Industrial Oil and Fat Products. Ed. D. Swern. Interscience Publishers, New York-London-Sydney 1964, pp. 719-792.
4. Die Raffination von Fetten und fetten Ölen auf neuen Wegen
5. J. T. P. Derksen, F. P. Cuperus: Processing of oilseed constituents for nonfood applications. In: Emerging Technologies, Current Practices, Quality Control, Technology Transfer, and Environmental Issues, Vol. I. Eds. S. S. Koseoglu, K. C. Rhee, R. F. Wilson. AOCS Press, Champaign, IL (USA) 1998, pp. 113-120.