QURESHI, T. M. Angiotensin I-converting enzyme-inhibitory activity of the Norwegian autochthonous cheeses Gamalost and Norvegia after in vitro human gastrointestinal digestion. S. 838–853. Journal of Dairy Science [online]. 2013. Roč. 96, s. 838–853. Dostupné online. (anglicky)
snl.no
AURSNES, Jan Peter. gammelost [online]. Store Norske Leksikon, 30. 9. 2020 [cit. 2024-02-16]. Dostupné online. (norsky)