Vaitkus, Audrius, Donatas Čygas, Alfredas Laurinavičius, and Antanas Aloyzas Juzėnas. 2007. “Evaluation of Geotextiles Separation Performance on the Impact of Transport Loads: Experimental Research – Stage I”. The Baltic Journal of Road and Bridge Engineering 2 (1): 45-50. https://bjrbe-journals.rtu.lv/bjrbe/article/view/1822-427X.2007.1.45%E2%80%9350.