Pham, Thao, Dang Trung, and Bao Nguyen. “Using Karhunen - Loeve Filter in the Processing of Ground Penetrating Radar Data (GPR)”. VNUHCM Journal of Advanced Research in Natural Sciences 7, no. 2 (June 30, 2023): 2635-2641. Accessed April 7, 2026. https://arns.vnuhcmjournal.com.vn/index.php/arns/article/view/1233.