Dalziel, J.A. <br/><br/>
effect of different portland cements upon the pozzolanicity- of pulverized-fuel ashes and the strength of blended cemen-t mortars / J.A. Dalziel. 

 - London : Cement and Concrete Association 
 - 19 p. 
 - Technical report ; 42.555 / Cement and Concrete Association .