A new general model of wood cell wall substance, developed on the basis of recent experimental and theoretical studiesGravitis, J.; Kallavus, Urve; Kokorevics, A.; Andersons, B.; Teeäär, R.8th International Symposium on Wood and Pulp Chemistry, June 6-9, 1995, Helsingi : proceedings of symposium1995 / p. 93-100