P. Buurman, Th. Pape, J.A. Reijneveld, F. de Jong, and E. van Gelder. “Laser-Diffraction and Pipette-Method Grain Sizing of Dutch Sediments: Correlations for Fine Fractions of Marine, Fluvial, and Loess Samples”. Netherlands Journal of Geosciences, vol. 80, no. 1, June 2001, pp. 49-57, doi:10.1017/S0016774600022319.