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4. Pizzi, A. 1980: Tannin-based adhesives. J. Macromol. Sci. Chem. Ed. C 18 (2):247–315.
5. Pizzi, A.; Daling, G.M.E. 1980: Warm-setting wood-adhesives by generation of resorcinol from tannin extracts. Holforsch. u. Holzverwert. 32:64–67