Szajna WS, Lechocka P. Evaluation of the two methods of determining bulk density of sand: tapping fork test and vibrating table test. Roads and Bridges - Drogi i Mosty [Internet]. 2016 Mar. 31 [cited 2024 Jul. 22];15(1):5-20. Available from: https://rabdim.pl/index.php/rb/article/view/v15n1p5