Experimental data for explanation of accelerating effect of- additives on cement hardening / by G.N. Sivertsev...[et al-.] 

 - Moscow : RILEM 
 - 23 p. 
<br/><br/> "RILEM International Conference on the Problems of Accelera-ted Hardening of Concrete in Manufacturing Precast Reinforc-ed Concrete Units, Moscow, july 1964".