References
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- American Conference of Governmental Industrial Hygienists: Unpublished Method, approved July 15, 1952 (Copies available from Dr. Robert Keenan, U. S. Public Health Service, Cincinnati)
- Browning , Ethel . 1953 . Toxicity of Industrial Organic Solvents , New York : Chemical Publishing Company, Inc. .
- Fassett , D. W. Rochester , N. Y. : Eastman Kodak Co. . Personal Communication
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- Heppel , Leon A. 1944 . J. Ind. Hyg. & Tox. , 26 : 8
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- von Oettingen , W. F. 1949 . National Institute of Health Bull , 191 Washington , D. C. : Supt. of Documents .