1. Food Technology;D Knorr,1984
2. Muzzarelli, R.A.A., Chitin and Its Derivatives:New Trends of Applied Research. Carbohydrate Polymers 1983, 3, 53–75.
3. Federal Register 53, No. 31, 4713, Feb. 17, 1988.
4. Federal Register 53, No. 61, 10248, March 30, 1988.
5. Fed. Reg. 53, No. 22, 3075, Feb 3, 1988.