1. Khomutova, E.G. and Rysev, A.P., Zavod. Lab., 1995, vol. 61, no. 11, p. 1.
2. Varshal, G.M., Koshcheeva, I.Ya., and Tyutyunnik, O.A., Zh. Anal. Khim., 1998, vol. 53, no. 2, p. 131 [J. Anal. Chem. (Engl. Transl.), vol. 53, no. 2, p. 112].
3. Tyutyunnik, O.A., Varshal, G.M., Koshcheeva, I.Ya., et al., Zh. Anal. Khim., 2000, vol. 55, no. 4, p. 392 [J. Anal. Chem. (Engl. Transl.), vol. 55, no. 4, p. 350].
4. Tyutyunnik, O.A., Koshcheeva, I.Ya., Orlova, V.A., et al., Zh. Anal. Khim., 2004, vol. 59, no. 9, p. 982 [J. Anal. Chem. (Engl. Transl.), vol. 59, no. 9, p. 885].
5. Analiticheskaya khimiya metallov platinovoi gruppy (Analytical Chemistry of Platinum-Group Metals), Zolotov, Yu.A., Varshal, G.M., and Ivanov, V.M., Eds., Moscow: Editorial URSS, 2003.