@article{ljs14112,
 author={A. Akintola O. Giwa, T. a. S.},
 year={2009},
 title={Optimum Pipe Size Selection for Turbulent Flow},
 journal={Leonardo J. Sci.},
 volume={8},
 number={14},
 pages={112-123},
 url={http://ljs.academicdirect.org/A14/112_123.pdf}
}