Book 10.1 Subsidiary of the University of Ruse in RazgradBook 10.1 · Chemical Technologies FRI-ONLINE-1-CT(R)-04 Comparative analysis of biogas production technologies using suitable raw materials Cite Cite this paper× Citation styleAPA 7IEEEChicago Author–DateHarvardBibTeXRIS DownloadCopy Evgeniy Ganev, Venko Beschkov, Boyan Ivanov