Kaar, Paul H. <br/><br/>
High Strength bars as concrete reinforcement part 8: simili-tude in flexural cracking of T-beam flanges / by Paul H. Ka-ar. 

 - Skokie, Illinois : ies, Development Department 
 - [14] p. 
 - Bulletin D106 / Portland Cement Association, Research and D-evelopment Laboratories, Development Department .