1. http://www.world-aluminium.org

2. www.webelements.com /

3. www.alu-info.dk/Html/alulib/modul/A00052.htm

4. http://www.aluminium-cans.com.au/introduction/what.html

5. http://www.aughinish.com/bayer.htm

6. http://www.citycollegiate.com/aluminium1.htm

7. http://home.att.net/~cat6a/metals-XII.htm

8. http://www.igora.ch/en/dosen/dos-downloads.htm

9. http://www.riotinto.com/library/IL_aluminium.asp

10. http://www.bakingpans.com/smallwares/index.cfm