1. Hamed, G.R.; Chung, K.H.; Hemingway, R.W. Condensed tannins as substitutes for resorcinol in bonding polyester and nylon cord to rubber. In: Hemingway, R.W.; Conner, A.H.; Branham, S.J. (eds.) Adhesives from renewable resources. American Chemical Society, Symposium Series No. 385, Washington DC, pp. 242-253, (1989).
2. Foo, L.Y.; Porter, L.J. Prodelphinidin polymers: definition of structural units. J. Chem. Soc. Perkin Trans. 1:1186 (1978).
3. Porter, L.J. Flavans and proanthocyanidins. In: Harborne, J.B. (ed.) The flavanoids. Advances in research since 1980. Chapman and Hall, London, pp 21-62 (1988).
4. Hemingway, R.W. Biflavanoids and proanthocyanidins. In: Rowe, J.W. (ed.) Natural products of woody plants. Springer-Verlag, Berlin, pp. 571–651 (1989).
5. Hemingway, R.W. Reactions at the interflavanoid bond of proanthocyanidins. In: Hemingway, R.W.; Karchesy, J.J.; Branham S.J. (eds.) Chemistry and significance of condensed tannins. Plenum Press, New York, pp. 265–283 (1989).