1. Zolotov, Yu.A., Ivanov, V.M., and Amelin, V.G., Khimicheskie test-metody analiza (Chemical Test Methods of Analysis), Moscow: Editorial URSS, 2002.
2. Kumpanenko, I.V., Roshchin, A.V., Marchenko, D.Yu., Khalfin, T.M., Ostrovskaya, V.M., Bloshenko, A.V., and Usin, V.V., Khim. Fiz., 2012, no. 10, pp. 52–65.
3. Sviridova, O.A., Dmitrienko, S.G., Senyavin, V.M., and Badakova, S.A., Vestn. Mosk. Univ., Ser. 2: Khim., 2002, vol. 43, no. 3, pp. 150–154.
4. http://www.loveinfographics.com/categories/food-anddrink-infographics/the-many-colours-of-beer-infographic .
5. http://methodbrewery.com/srm.php .