1. Beef, Safety Information Council 1999. Summer.
2. Federal, Register, December 3, 1997. 21 CFR Part 179. Irradiation in the production, processing and handling of food, food & drug administration, Final Rule.
3. Federal, Register, February 17, 1999. 21 CFR Part 179. Irradiation in the production, processing and handling of food, food & drug administration, Advanced Notice of Proposed Rulemaking.
4. Federal, Register, February 24, 1999. 9 CFR Parts 317, 318, and 381. Irradiation of meat and meat products. Food Safety & Inspection Service, USDA, Proposed Rule. Volume 64, No. 36
5. Federal, Register, May 26, 1999. 9 CFR Parts 416 and 417. Listeria contamination of ready-to-eat meat products. Food Safety & Inspection Service, USDA. Comments.