Reference
- Elkins , H. B. , Pagnotto , L. D. and Comproni , E. M. 1962 . The Ultraviolet Spectrophotometric Determination of Benzene in Air Samples Adsorbed on Silica Gel. . Anal. Chem. , 34 : 1797
- Stewart , C. P. and Stolman , A. 1960 . Toxicology , Vol. I , 464 New York and London : Academic Press .