1. Amemiya, T, Hayashi, K.: Industrial Development of Terephthalic Acid Production in Japan; Sixth World Petroleum Congress, Frankfurt/Main, June 19–26 (1963), Verein zur Förderung des 6. Welt-Erdöl-Kongresses, Hamburg
2. Ariki, S, Ohira, A.: Prospect for Metaxylene Production and Utilization; Chem. Econ. Eng. Rev, 5, Nr. 7, 39 (1973)
3. Bartholome, E, Hetzel, E, Horn, H.Ch, Molzahn, M, Rotermund, G.W, Vogel, L.: Verfahrenstechnische Probleme bei der Verfahrensentwicklung; Chem. Ing. Tech, 48, 355 (1978)
4. Bemis, A.G, Dindorf, J.A, Horwood, B, Samans, C.: Phthalic Acids and other Benzene- polycarboxylic Acids; In: Kirk-Othmer, Encycl. Chem. Tech, 3.Ed, 17, 732 (1982)
5. Hizikata, M.: New Process for Fiber-grade High-purity Terephthalic Acid (HTA); Chem. Econ. Eng. Rev,9, Nr. 11, 32 (1977)