1. Antunes, A., Amaral, E., Belgacem, M.N., Silvy, J., 1998. Da Cynara cadunculus até ao papel. In: Proceedings of the 16th Tecnicelpa Meeting, 29–31 October 1998. Covilhã, Portugal, pp. 136–145.
2. Cynara cardunculus L.: chemical composition and soda-anthraquinone cooking;Antunes;Ind. Crops Prod.,2000
3. Atchison, J.E., 1993. Data on non-wood plant fibers. In: Hamilton, F., Leopold, B. (Eds.), Pulp and Paper Manufacture, vol. III. TAPPI Press, Atlanta, pp. 157–163.
4. Belgacem, M.N., Zid, M., Nicolski, S.N., Obolenskaya, A.V., 1986. Study of the chemical composition of alpha from Tunisia. Chim. Technol. Drev., Mej. Sbor. Trud., vol. 1, 111–114.
5. Browning, B.L., 1967. Methods of Wood Chemistry, vol. II. Interscience/Wiley, New York.