R. D. Serban, G. Sipos, M. Popescu, P. Urdea, A. Onaca, and Z. Ladányi, “Comparative Grain-Size Measurements for Validating Sampling and Pretreatment Techniques in Terms of Solifluction Landforms, Southern Carpathians, Romania”, jengeo, vol. 8, no. 1-2, pp. 39–47, Jul. 2015.