1. Air Pollution Control Rules Concerning Air Quality Standards 1970
2. Air Quality Criteria for Sulfur Oxides 1969
3. World Health Organization Report 1971 EB 47/WP/14 The Place of DDT in Operations against Malaria and Other Vector-Borne Diseases
4. ENCYCL CHEM TECHNOL 8: 562 (1952).
5. Public Health Service Publication 1957 149 Sutrvey of Compounds Which Have Been Tested for Carcinogenic Activity