1. Baptista, C., Belgacem, M.N., Duarte, A.P., 1998. Comparative study of kraft lignin of Pinus pinaster as obtained by batch and flow-through reactors. In: Proceedings of the 5th European Workshop on Lignocellulosics and Pulp, pp. 369–372.
2. Baptista, C., Belgacem, M.N., Duarte, A.P., 1999. Modified kraft delignification of Pinus pinaster. In: Proceedings of the 10th International Symposium on Wood and Pulp Chemistry, vol. II, pp. 254–257.
3. Baptista, C., Belgacem, M.N., Robert, D., Duarte, A.P., 2000. Influence of pulping conditions on lignin structure from Pinus pinaster kraft pulps. In: Proceedings of the 6th European Workshop on Lignocellulosics and Pulp, pp. 657–661.
4. Characterisation of kraft lignin from Pinus pinaster;Baptista;Cell. Chem. Technol.,2002
5. The effect of surfactants on kraft pulping of Pinus pinaster;Baptista;Appita J.,2004