Methods of testing concrete / 
British Standards Institution 
 - London:  British Standards Institution,  c1970. 
 - various pages:  21 cm. 
 - BS:1881 .
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concrete Testing
<br/><br/><label>Dewey Class. No.: </label>620.136/BRM