von Hobe, M., Kuhn, U., Van Diest, H., Sandoval-Soto, L., Kenntner, T., Helleis, F., et al. (2008). Automated in situ analysis of volatile sulfur gases using a Sulfur Gas Analyser (SUGAR) based on cryogenic trapping and gas-chromatographic separation. Journal of Environmental Analytical Chemistry, 88(5), 303-315.