1. Stonecipher WD, Turner RW. Encyclopedia of polymer science and technology, vol. 12. New York: Wiley; 1970. p. 139
2. Weaver JC. Encyclopedia of chemical technology, vol. 20. 3rd ed. New York: Wiley; 1982. p. 197
3. Enos HI, Harris GC, Hedrick GW. In: Standon A, Kirk-Othmer SA, editors. Rosin and rosin derivatives. Encyclopedia of chemical technology, vol. 17. 2nd ed. New York: Wiley; 1968. p. 475
4. Synthesis and Properties of a New Polyesterimide from a Forest Product
5. Polymers from renewable resources. XII. Structure property relation in polyamideimides from rosin