References
- Ronzani , E. 1909 . Arch Hyg , 70 : 217
- Voegtlin , C. and Hodge , H. C. , eds. 1949 . Pharmacology and Toxicology of Uranium Compounds , 1049 New York : McGraw-Hill Book Company, Inc. .
- Jacobs , M. B. 1941 . Analytical Chemistry of Industrial Poisons, Hazards, and Solvents , 622 New York : Interscience Publishers, Inc. .
- Henderson , Y. and Haggard , H. W. 1943 . Noxious Gases , 128 New York : Reinhold Publishing Corporation .
- General Chemical Research Laboratory data.
- Machle , W. , Thamann , F. , Kitzmiller , K. and Cholak , J. 1934 . J Industr Hyg , 16 : 129 – 145 .