Kiss, Csongor Gábor. “Energy Production Systems of Phototroph Microorganisms (classification of Photobioreactors)”. Acta Agraria Debreceniensis, no. 42 (December 22, 2010): 35–39. Accessed July 29, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/2657.