1. Dell recalls lithium batteries;Chem. Eng. News: American Chem. Soc.,2006
2. Dell laptop explodes at Japanese conference, The Inquirer, June 2006 Staff (27 July 2007). Nokia – Retrieved 15 June 2010.
3. N91 cell phone explodes Mukamo, Filipino News (blog), July 2007.
4. Nokia issues BL-5C battery warning, offers replacement, Wikinews, August 2007.
5. HP's massive battery recall: what you need to know, PC world article, May 2011.