Isotopes of sulphur and carbon, in Barnes, H.L., ed., Geochemistry of hydrothermal ore deposits, second edition
Ohmoto, H., and Rye, R.O., 1979, Isotopes of sulphur and carbon, in Barnes, H.L., ed., Geochemistry of hydrothermal ore deposits, second edition: New York, John Wiley and Sons, Inc., p. 509-567.