. 7 (1): 93–126. doi:10.1162/108819803766729212. සම්ප්‍රවේශය 2009-02-06. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)[permanent dead link]Friedrich W. Locher: Cement : Principles of production and use, Düsseldorf, Germany: Verlag Bau + Technik GmbH, 2006, ISBN 3-7640-0420-7Javed I. Bhatty, F. MacGregor Miller, Steven H. Kosmatka; editors: Innovations in Portland Cement Manufacturing, SP400, Portland Cement Association, Skokie, Illinois, USA, 2004, ISBN 0-89312-234-3"Cement Industry Is at Center of Climate Change Debate" article by Elizabeth Rosenthal in the New York Times October 26, 2007Neville, A.M. (1996). Properties of concrete. Fourth and final edition standards. Pearson, Prentice Hall. ISBN 0-582-23070-5. OCLC 33837400.Taylor, H.F.W. (1990). Cement Chemistry. Academic Press. p. 475. ISBN 0-12-683900-X.බාහිර සබැඳුම්[සංස්කරණය]සිමෙන්ති හා සබැඳි මාධ්‍ය විකිමාධ්‍ය කොමන්ස් හි ඇත.British Cement Association (UK)Cembureau (EU) සංරක්ෂණය ක