Kolodiazhnyi, O. I.; Zemlianoy, V. N.; Baranova, L. I.; Shurubura, G. V.
Phosphorus, Sulfur and Silicon and the Related Elements, 1993 , vol. 82, # 1-4 p. 137 - 140
Kolodiazhnyi, O. I.; Zemlianoy, V. N.; Baranova, L. I.; Shurubura, G. V.
Phosphorus, Sulfur and Silicon and the Related Elements, 1993 , vol. 82, # 1-4 p. 137 - 140