References
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- Baetjer , A. M. 1950 . Pulmonary Carcinoma in Chromate Workers . Arch. Indust. Hyg. , 2 : 487 – 504 . 505 – 516 .
- et al. Health of Workers in Chromate Producing Industry 1953 Public Health Service Publication No. 192
- Hueper , W. C. and Payne , W. W. 1959 . Experimental Cancers in Rats Produced by Chromium Compounds and Their Significance to Industry and Public Health . Am. Indust. Hyg. A.T. , 20 : 274 – 280 .
- Couchman , C. E. Nov. 24 1959 . Use of Data , Nov. 24 , Cincinnati , Ohio : Taft Sanitary Engineering Center . Presented at R. A.
- 1956 . Encyclopedia of Instrumentation for Industrial Hygiene , 641 – 642 . Ann Arbor , Mich. : University of Michigan Institute of Industrial Health .
- Ege , J. F. Jr. and Silverman , L. 1947 . Stable Colorimetric Reagent for Chromium . Analyt. Chem. , 19 : 693 – 694 .
- Sandell , E. B. 1950 . Colorimetric Determination of Traces of Metals , 2 , 260 New York : Interscience Publishers, Inc. .
- Ibid., p. 262.