1. [1] Okimasu S (1993) “Science of Konjac”, p244-245, KEISEISYA Co., LTD.
2. [2] Yamada K (2001) “Textile Fibers·Material Engineering”, p15-21, 53-64, CORONA PUBLISHING Co., LTD.
3. [3] Sakurai N, Yamamoto R, Kato Y (1991) “Cell Wall and Polysaccharide”, p144-145, Baifukan Co., LTD.
4. [4] Furuya Y, Kondo T (1967) “Raw wood”, p75-82, Japan Technical Association of the Pulp and Paper Industry