Lepin
Green, Mark B., Amey S. Bailey, Scott W. Bailey, J. J. Battles, John L. Campbell, Charles T. Driscoll, Timothy J. Fahey, et al. 2013. “Reply to Smith and Shortle: Lacking Evidence of Hydraulic Efficiency Changes”. Proceedings of the National Academy of Sciences 110 (40): E3740 - E3740. doi:10.1073/pnas.1312130110.