Reference
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- Stern , A. C. 1950 . Problems in the Drafting and Administration of Air Pollution Control Legislation . Modern Sanitation , 2 December : 34
- Barkley , J. F. 1950 . Fundamentals of Smoke Abatement . Bureau of Mines Information Circular , December : 7588
- 1951 . Senate Bill No. 9–46th Legislative Assembly—Regular Session . State of Oregon ,
- Babbit , H. E. The Administration of Stream Pollution Prevention in Some States. Presented at the Sixth Industrial Waste Conference . February 21 . Purdue University .
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- U.S. Senate Bill No. 1472 (Kefauver)—82nd Congress—First Session.