ZOREC, Maša, Romana MARINŠEK-LOGAR, and Gorazd AVGUŠTIN. 1997. “Isolation of Butyric Acid Producing Xylanolytic Bacteria from the Rumen”. Acta Agriculturae Slovenica 70 (1): 21–29. https://doi.org/10.14720/aas.1997.70.1.16052.