Roges, J. Ferry. <br/><br/>
Formation of cracks in beams with low percentage of reinfor-cement / by J. Ferry Borges, J. Arga e Lima. 

 - [Lisboa, Portugal] : nharia Civil 
 - [27] p. 
<br/><br/> "Paper presented to the RILEM symposium on bond and crack f-onmation in reinforced concrete, Stockholm, 1957"·