Robutti, G. <br/><br/>
Failure strength and clastic limit for concrete : a compara-tive study / G. Robutti , E. Ronzoni , N.S. Ottosen. 

 - Bergamo, [Italia] : ISMES 
 - [10] p. 
 - Istituto Sperimentale Modelli e Strutture ; 123 .
<br/><br/> "Paper presented at the 5th International Conference on Str-uctural Mechanics in Reactor Technology, Berlin-Germany, 13---17 august 1979".