Čermáková, Jiřina, Jakub Mrázek, Kateřina Fliegerová, and Daniel Tenkrát. “Replacing Natural Gas by Biogas — Determining the Bacterial Contamination of Biogas by PCR”.
Acta Polytechnica 52, no. 4 (January 4, 2012). Accessed April 3, 2025.
https://ojs.cvut.cz/ojs/index.php/ap/article/view/1582.