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2. On-line measurement of paper mechanical properties;Habeger;Tappi J,1986
3. A new method to detect anisotropy and local variations in paper;Olofsson;Tappi J,1991
4. Mechanical properties of corrugated board as studied by holographic interferometry;Olofsson;Tappi J,1992
5. Stiffness and stiffness variation in paper measured by laser generated and laser recorded bending waves;Olofsson;J Pulp Pap Sci,1994