1. Haslem, J., Willis, H. A., Squirell, D. C. M.: Identification and Analysis of Plastics, 2. ed. London: Iliffe Books 1972
2. Ettre, L. S., Obermüller, E.: Phenols. In: F. D. Snell, L. S. Ettre (ed.): Encyclopedia of Industrial Chemical Analysis, Vol. 17, New York: Interscience
3. Tsuge, M.: Progress in Organic Coatings, 9, 107 (1981)
4. Klopfer, W.: Introductions to Polymer Spectroscopy. Springer-Verlag, Heidelberg, New York, 1984
5. Wesp, E. F., Brode, W. R.: J. Am. Chem. Soc. 56, 1037 (1934)