@article{CTT100696902,
  author = {ETSUO SAKAI and J PLANK and C.W. Miao and C Yu and J.X. Hong},
  title = {Chemical admixtures - Chemistiry, applications and their impact on concrete microstructure and durability},
  journal = {Cement and Concrete Research},
  year = 2015,
}

@inproceedings{CTT100673273,
  author = {H Hara and Takayuki Higuchi and Minoru Morioka and T HAURNAUS and J PLANK and ETSUO SAKAI},
  title = {Influence of Sulfate on Physical Properties of Quick-hardening Cement Compounds},
  booktitle = {Proceedings of the International Conference Calcium Aluminates2014},
  year = 2014,
}