1. 1) Schonwalder, J., Rots, J.: Mechanical behaviour of cardboard in construction. “Cardboard in architecture”, Eekhout, M., Verheijen, F., Visser, R. eds., IOS Press, Amsterdam, 2008, pp.131-146.
2. 2) Fellers, C.: Edgewise compression strength of paper. “Handbook of physical and mechanical testing of paper and paperboard Volume 1”, Mark, R.E. ed., Marcel Dekker, Inc., NY, 1983, pp.323-347.
3. 3) ISO 12192: Paper and board-Determination of compressive strength-Ring crush method. International Organization for Standardization (2011).
4. 4) JIS P 8126:紙及び板紙-圧縮強さ試験方法-リングクラッシュ法. 日本規格協会(2015).
5. 5) ISO 9895: Paper and board-Compressive strength-Short-span test. International Organization for Standardization (2008).