L. Purina

Distribution of residual lignin and hemicelluloses in the outer and central layers of organosolv pulp fiber walls

L. Purina, A. Treimanis, Galina Timermane, 1994 .

The effects of xylanase type enzymes on the different layers of birch wood ORGANOSOLV pulp fibre walls

L. Purina, A. Treimanis, U. Viesturs, 1995 .