P. BUURMAN; TH. PAPE; J.A. REIJNEVELD; F. DE JONG; 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, v. 80, n. 1, p. 49-57, 1 Jun. 2001.