1. U.S. Federal Register, 29 CFR Part 1910.
2. U.S. Federal Register, 21 CFR Part 820.
3. Guideline for Electron Beam Radiation Sterilization of Medical Devices,1990
4. Guideline for Gamma Sterilization,1991
5. Sterilization of Health Care Products — Validation and Routine Control — Gamma and Electron Beam Radiation Sterilization,1992