Freyermuth, Clifford L. <br/><br/>
Posttensioned prestressed concrete / by Clifford L. Freyerm-uth and Robert A. Shoolbred. 

 - Skokie, Illinois : Portland Cement Association 
 - 24 p. 
 - Engineering Bulletin; EB 013.01D / Portland Cement Associat-ion .