@article{
  author = {Manafi, S.A., Alipour, A.},
  title = {Investigation on the Effects of Nano-Silica and Titanium Oxide Composite Content and Processing Temperature on the Hydrophobic Properties of Concrete},
  journal = {},
  year = {2015},
  volume = {6},
  number = {20},
  pages = {279-289},
  doi = {}
}