Water Research, Volume 139, 1 August 2018, Pages 158-167.
Luc M. Hornstra, Jack F. Schijven, Andrea Waade, Gemma Serra Prat, Frank J. C. Smits, Gijsbert Cirkel, Pieter J. Stuyfzand, Gertjan J. Medema
https://www.sciencedirect.com/science/article/pii/S0043135418302501