1. Summary of sulfur isotope standards;Ault,1963
2. On variations of the isotopic composition of sulfur in some natural waters;Chukhrov;Geokhimiya,1975
3. Regeneration of sulfate and the isosulfur and its possible evolution in the Earth's history;Chukhrov;Izvestia AN SSSR, Ser. Geol.,1975
4. Regeneration of sulfide and the isotopic composition of natural sulfur;Chukhrov;Chem. Geol.,1975
5. Source and isotopic composition of atmospheric sulfur;Jensen;Science,1961