@article{article1206,
  title = {Production of high performance concrete using admixtures},
  author = {ÖNCÜ, M.E. and KARAKAŞ, A.S. and KAVAK, M.T.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2006},
  volume = {24},
  pages = {76-82},
  doi = {}
}