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Yang, Shanshan; Yu, Boming; Zou, Mingqing; Liang, Mingchao . (2014). A fractal analysis of laminar flow resistance in roughened microchannels. International Journal of Heat and Mass Transfer, 77(), 208–217. doi:10.1016/j.ijheatmasstransfer.2014.05.016 
10.1016/j.ijheatmasstransfer.2014.05.016