@article{article1216,
  title = {Experimentally investigation of the effect of a square cross-sectional obstacle located in a channel on heat transfer},
  author = {GÜL, H. and EVİN, D. and TANYILDIZI, V.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2006},
  volume = {24},
  pages = {65-73},
  doi = {}
}