Weinstock, I.S. <br/><br/>
Automatic ultrasonic control of concrete strength in proces-s of heat - treatment / by I.S. Weinstock, Ju.N. Mizrokhi 

 - Moscow : RILEM 
 - 22 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".