1. Assessment of Technologies for Determining Cancer Risks from the Environment 1981
2. FEDERAL REGISTER 45: 5002 (25 1 1980).
3. FEDERAL REGISTER 46: 11188 (5 2 1981).
4. FEDERAL REGISTER 41: 24102 (25 51976).
5. FEDERAL REGISTER 44: 39858 (6 7 1979).