“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 November 2, 2026. https://ojs.ugal.ro/index.php/mms/article/view/2773.