МАРТИНОВИЧ, Н. В.; ПОХОДИЛО, Є. В. The use of imitance method is for control of hardness of water. METHODS AND DEVICES OF QUALITY CONTROL, [S. l.], n. 1(26), p. 45–48, 2011. Disponível em: https://mpky.nung.edu.ua/index.php/mpky/article/view/149. Acesso em: 19 may. 2024.