Palotas, L. <br/><br/>
Investigation of concrete hardening during steam-curing by -non-destructive tests / by L. Palotas, Gy. Balazs, J. Gemes-i 

 - Moscow : RILEM 
 - 9 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".