Solid solutions in the system 2CaO.SiO2 - K2O.CaO.SiO2. Tverdye Rastvory v sisteme 2CaO.SiO2 - K2O.CaO.SiO2. (Translated from) Neorganicheskie Materialy, 1966, vol. II, no. 4, 745-8.
Fedorov, N. F.
Brodkina, E. R.
Garston, 
1967.
Joint authors: N.F. Fedorov and E.R. Brodkina.
[With a bibliography.]