TY - SER AU - Hakobyan, lilit AU - Trchounian, Armen TI - Yeast Extract as an Effective Nitrogen Source Stimulating Celi Growth and Enhancing Hydrogen Photoproduction by Rhodobacter Sphaeroides Strains from Mineral Springs KW - Rhodobacter Sphaeroides KW - Bacterial Growth KW - Oxidation-Reduction Potential ER -