Kalashnikova M. I., Head of Laboratory, Phone: (812)335-31-12, Saltykov P. M., Senior Researcher, (Laboratory of Hydrometallurgy Gipronickel Institute); Shneerson Ya. M., General Director, NITS "Hydrometallurgy"; Saltykova Е. G., Engineer of the 1^st category, Laboratory of Hydrometallurgy, Gipronickel Institute

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10. Pat. 2167101 of the RF, МПК⁷ C 01 B 17/64. Method of producing thiosulphates / Kalashnikova M. I., Keskinova M. V., Shneerson Ya. M., Chetvertakov V. V. ; appl. 05.07.99; publ. 20.05.01.
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