Farhad Hekmatipour and Mohammad Ali Akhavan-Behabadi and Beharng Sajadi, Experiment on Free and Forced Heat Transfer and Pressure Drop of Copper Oxide-Heat Transfer Oil Nanofluid (CuO-HTO) in Horizontal and Inclined Microfin Tube. [online]. World Academy of Science, Engineering and Technology. September 2018, vol. 12(9). 1101 - 1105[viewed 25 February 2018]. Available from: http://waset.org/abstracts/82099 .