References
- 1957 . American Conference of Governmental Industrial Hygienists . AMA Arch. Ind. Health , 16 : 261
- Comstock , C.C . 1954 . U. S. Army Chemical Corps Medical Laboratories Research Report No. 258
- Dodd , A. S. 1929 . Analyst , 54 : 282
- Feinsilver , Leo . 1953 . U. S. Army Chemical Corps Medical Laboratories Research Report No. 170
- Hatcher , J. T. and Wilcox , L. V. 1950 . Anal. Chem. , 22 : 567
- Krackow , E. H. 1953 . AMA Arch. Ind. Hyg. & Occup. Med. , 8 : 335
- Kunkel , A. N. 1956 . AMA Arch. Ind. Health , 13 : 346
- Long , J. E. 1957 . AMA Arch. Ind. Health , 16 : 393
- Lowe , H. J. and Freeman , G. 1957 . AMA Arch. Ind. Health , 16 : 523
- Rozendaal , H. J. 1951 . AMA Arch. Ind. Hyg. & Occup. Med. , 4 : 257
- Schlesinger , H. I. and Burg , A. B. 1942 . Chem. Rev. , 31 : 1