1. Bayer S. A.; Informative document on the Baylith WEG291 (1991)
2. Bird, R. B., W. E. Stewart and E. N. Lightfoot; Transport Phenomena, John Wiley & Sons Inc., New York (1979)
3. Gibert, H.; U.ST. Patent 4,175,334 (1976)
4. Heldman, D. R. and G. A. Hohner; “An Analysis of Atmospheric Freeze Drying,” J. Food Sci., 39, 147–151 (1974)
5. King, C. J. and J. P. Clark; U.S. Patent 4,453,741 (1969)