Lampila, Martti, and Ilmari Poijärvi. “The Formation of Volatile Fatty Acids in the Rumen Contents of Cows in Vivo and in Vitro”. Agricultural and Food Science 31, no. 1 (January 1, 1959): 315–320. Accessed July 17, 2024. https://journal.fi/afs/article/view/71501.