Gustaferro, A. H. <br/><br/>
Fire endurance of simply-supported prestressed concrete sla-bs / by A. H. Gustaferro and S. L. Selvaggio. 

 - Skokie, Illinois : atories 
 - [16] p. 
 - Bulletin 212 / Portland Cement Association .
<br/><br/> "Authorized reprint from copyrighted Journal of the Prestre-ssed Concrete Institute Vol. 12, No. 1, 37-53, February 196-7."