VASILIU, Adrian. “Loss of Height Pressure in a Layer of Granular Materials”. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 42, no. 1 (March 15, 2019): 60-63. Accessed May 5, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2773.