Sources
- http://beer.wikia.com/wiki/Main_Page
- http://www.beerchurch.com/gloss.htm
- http://www.beerme.com/
- http://www.birkocorp.com/brewing/beerstone.asp
- http://www.camra.org.uk/
- http://www.chemicalland21.com/
- http://www.crc.dk/flab/newpage4.htm
- http://www.howtobrew.com/glossary.html
- http://www.weekendbrewer.com/brewingformulas.htm
- http://www1.picobrewery.com:8193/askarchive/krausen.htm