Powers, T. C. <br/><br/>
Capillary continuity or discontinuity in cement pastes / by- T. C. Powers, L. E Copeland and H. M. Mann. 

 - Skokie, Illinois : atories 
 - 12 p. 
 - Bulletin 110 / Portland Cement Association .
<br/><br/> "Reprinted from the Journal of the PCA Research and Develop-ment Laboratories Vol. 1, No. 2, 38-48 (May, 1959)".