Paunescu, L., S. M. Axinte, and F. Cosmulescu. “Cellular Glass Manufactured by Microwave Irradiation of Residual Glass, Eggshell and Borax”. Journal La Multiapp, Vol. 2, no. 5, Dec. 2021, pp. 37-46, doi:10.37899/journallamultiapp.v2i5.479.