1. Castner, J. B. Nitration of Organic Compounds. U.S. Patent 2,256,999,1941, Du Pont.
2. Alexanderson, V.
Trecek, J. B.
Vandervaart C. M. Adiabatic Process for Nitration of Nitratable Aromatic Compounds. U.S. Patent 4,021,498,1977, Cyanamid.
3. Alexanderson, V.
Trecek, J. B.
Vandervaart C. M Continuous Adiabatic Process for the Mononitration of Benzene. U.S. Patent 4,091,042,1978, Cyanamid.
4. Evans, C. M. Manufacture of Organic Nitro Compounds. U.S. Patent 4,973,770,1990, C-I-L.