1. Bauer, K., R. Conrad and W. Seiler, 1980: Photooxidative production of carbon monoxide by phototrophic microorganisms, Biochim. Biophys. Acta 589, 46–55.
2. Baxter, R.M. and J.H. Carey, 1983: Evidence for photochemical generation of superoxide ion in humic water, Nature 306, 575–576.
3. Broecker, W.S. and T.H. Peng, 1974: Gas exchange rates between air and sea, Tellus 26, 21–35.
4. Bullister, J.L., N.L. Guinasso Jr. and D.R. Schink, 1982: Dissolved hydrogen, carbon monoxide, and methane at the CEPEX Site, J. Geophys. Res. 87, 2022–2034.
5. Conrad, R., 1984: Capacity of aerobic microorganisms to utilize and grow on atmospheric trace gases (H2, CO, CH2, In: “Current Perspectives in Microbial Ecology” ( M.J. Klug & C.A.Reddy, eds), American Society for Microbiology, Washington D.C., pp. 461–467.