Boos, G. A.; Popel, A. A., Chemical Abstracts, Issled. po Elektrokhim. Magnetokhim. i Elektrokhim. Metod. Anal. Nr. 2 (1969) 243/9, 1971, vol. 74, p. 68404
Boos, G. A.; Popel, A. A., Chemical Abstracts, Issled. po Elektrokhim. Magnetokhim. i Elektrokhim. Metod. Anal. Nr. 2 (1969) 243/9, 1971, vol. 74, p. 68404