1. Standard test method for pressure and rate of pressure rise for combustible dusts;ASTM E1226-88,1988
2. Handbook of electrostatics,1998
3. Test method for minimum explosible concentration of combustible dusts;JIS Z 8818:2002,2002
4. Kaden risaikuringu (recycling of home electrical appliances);Nagata,1999
5. The Asahi Shimbun (newspaper) (14 July, 2001). Crusher explosion—One wounded, recycling plant. Tokyo, Japan: The Asahi Shimbun Company.