Large fractions of CO2-fixing microorganisms in pristine limestone aquifers appear to be involved in the oxidation of reduced sulfur and nitrogen compounds - Herrmann, Martina; Rusznyak, Anna; Akob, Denise; Schulze, Isabel; Opitz, Sebastian; Totsche, Kai Uwe; Küsel, Kirsten (Applied and Environmental Microbiology, 2015)