Baušys, Romualdas. “Error Estimator for Acoustic problems/Akustikos uždavinių Paklaidų įvertinimas”. Journal of Civil Engineering and Management 5, no. 1 (February 28, 1999): 22-27. Accessed July 19, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/9327.