Golub, Nataliia, and Mariana Potapova. “Technological Solution of Biogas Output Increasing at Grain Distillery Spent Wash Fermentation”. Innovative Biosystems and Bioengineering 2, no. 3 (October 2, 2018): 175–182. Accessed April 19, 2024. http://ibb.kpi.ua/article/view/140332.