References
- NIOSH Registry of Toxic Effects of Chemical Substances Vol. II ,
- Barnes , J. M. and Magee , P. N. 1956 . Brit. 3. Cancer , 10 : 144
- Mach , M. H. and Pallos , A. 1978 . Analytical Letters , All ( 1 ) : 97
- Bull , W. B. , Seaton , J. A. and Audrieth , L. I. 1958 . J. Amer. Chem. Soc , 80 : 2516