@article{Michalski:2007,
  author  = "D. Michalski",
  title   = "Determination of pressure drop in polymer flow in toroidal channels using the Herschel-Bulkley fluid model",
  journal = "International Journal of Applied Mechanics and Engineering",
  volume  = "Vol. 12",
  number  = "no 1",
  pages   = "85--107",
  year    = "2007",
}