@article{article472,
  title = {Determination of fin pitches for maximum performance index of L-footed spiral fin-and-tube heat exchangers},
  author = {Pongsoi, P. and Wongwises, S.},
  journal = {Journal of Thermal Engineering},
  year = {2015},
  volume = {1},
  pages = {251-262},
  doi = {}
}