The science of admixtures :  Proceedings of a symposium, organized jointly / 
By the concrete Society and the cement admixtures Association london, 6 november 1969. 
 - 70 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concreto--Pruebas
<br/><br/><label>LC Class. No.: </label>TA440  / C65