; ; . PREDICTION OF VARIATION ELASTIC WAVE VELOCITY IN THE MEDIUM IN A CONCENTRATION-DEPENDENT CRACKS. Municipal economy of cities, [S. l.], n. 99, p. 50–56, 2013. Disponível em: https://khg.kname.edu.ua/index.php/khg/article/view/669. Acesso em: 3 apr. 2025.