Bolshakov, V. I., Savin, Y. L., Prykhodko, O. P., Savin, L. S. and Kulbashnyi, V. M. (2008) “PHYSIC AND CHEMICAL BASIS FOR THE INVOLVEMENT OF D-ELEMENTS OF THE FOURTH GROUP (TITANIUM, ZIRCONIUM, HAFNIUM) IN THE SYNTHESIS OF BUILDING AND SILICATE MATERIALS”, Science and Transport Progress , (20), pp. 99–101. doi: 10.15802/stp2008/16725.