Akulshin, Alexander, Vladimir Ivanovich Shcherbakov, Nadezhda Vladimirovna Kuznetsova, and Tatiana Vasilyevna Shchukina. 2017. “BIOGAS UNINTERRUPTED PRODUCTION PROCESS INTENSIFICATION”. Journal of Applied Engineering Science 15 (4). https://doi.org/10.5937/jaes15-15453.