Determination of the free calcium hydroxide contents of hyd-rated portland cements and calcium silicates / by E. E. Pre-ssler... [et al]. 

 - Skokie, Illinois : atories 
 - [16] p. 
 - Bulletin 127 / Portland Cement Association .
<br/><br/> "Authorized reprint from copyrighted Analytical Chemistry, - 33, No. 7, 877-882 (june, 1961) American Chemical Society,- Washington, D.C."