@inproceedings{CTT100627635,
  author = {ETSUO SAKAI and Yasuo Kakinuma and DAISUKE KUROKAWA and Y Aikawa},
  title = {Development of High Stength Cement in Consideration of Packing Fraction of Powder Particles},
  booktitle = {Proc. 13th International Congress on the Chemistry of Cement},
  year = 2011,
}