M. Oleksy, R. Oliwa, R. Szałajko, O. Markowska, G. Budzik, and J. Sęp, “Composites of phenol-formaldehyde resins filled with modified bentonites and reinforced with fiberglass mesh for application as grinding wheels”, p, vol. 63, no. 2, p. 81—89, Jan. 2021.