1. ALLAMANI, A. , CIPRIANI, F. and PRINA, F. 2006. I cambiamenti nei consumi di bevande alcoliche in Italia. Uno Studio esplorativo sul decremento dei consumi negli anni 1970-2000. pp. 304. http://e-ms.cilea.it/archive/00000783/ (accessed October, 2008).
2. Analysis of free fatty acids, fusel alcohols and esters in beer: An alternative to cs2 extraction;ALVAREZ;J. Am. Soc. Brew. Chem.,1994
3. Dimethyl sulphide as a feature of lager flavour;ANDERSON;J. Inst. Brew.,1975
4. Flavour stability of pilsner beer;ANGELINO;Proc. Congr. Eur. Brew. Conv.,1999
5. ASSOBIRRA 2007. Annual Report for the year 2007. http://www.assobirra.it/press/wp-content/assobirra2007-completo.pdf (accessed November, 2008).