Orchard, D.F <br/><br/>
Concrete Technology Vol.I 

 - 1 
 - New York  John Wiley & Sons   1962 
 - p.358 
<br/><br/><label>Subjects--Topical Terms: </label> Additives  Concrete Aggregates  Light-Weight Concrete 
<br/><br/><label>Dewey Class. No.: </label>620.136 O6445C