1. Adelmann, R., 2009. BaToo – Barcode recognition toolkit. Retrieved November 17, 2009 from: http://people.inf.ethz.ch/adelmanr/batoo/index.php.
2. Aid Infodienst, 2009. Retrieved November 22, 2009 from: http://www.aid.de/shop/shop_detail.php?cat=1&id=3110.
3. Apple games, 2009. Retrieved November 17, 2009 from: http://www.apple.com/games/gettingstarted/kids.
4. Bell, S., Colombani, P.C., Christensen, T., 2008. EuroFIR WP1.8 TG4. Report on new users and new uses of food composition databases outside the eHealth area. Retrieved December 6, 2009 from: http://www.eurofir.org/eurofir/Documents2008.asp.
5. Boston's Legal Test Kitchen, 2009. Retrieved December 13, 2009 from: http://www.lonelyplanet.com/usa/boston/restaurants/377455.