Paunescu, L., S. M. Axinte, F. Cosmulescu, M. F. Dragoescu, and B. V. Paunescu. “Ultra-Light Colorless and Green Glass Foam Produced by Microwave Radiation”. Journal La Multiapp, Vol. 2, no. 1, Mar. 2021, pp. 1-12, doi:10.37899/journallamultiapp.v2i1.286.