Thiemens-Heidenreich 1983 mass-independent fractionation in stratospheric O3 + via SO2-photolysis; Delta17O signal traces atmospheric O3 oxidation pathways back through Archean.
Thiemens-Heidenreich 1983 mass-independent fractionation in stratospheric O3 + via SO2-photolysis; Delta17O signal traces atmospheric O3 oxidation pathways back through Archean.