Paunescu, Lucian, Sorin Axinte, Marius Dragoescu, Felicia Cosmulescu, and Bogdan Paunescu. “SIMULTANEOUS USE OF LIQUID AND SOLID FOAMING AGENTS BY A NONCONVENTIONAL TECHNIQUE TO OBTAIN A HIGH-STRENGTH GLASS FOAM WITH FINE POROSITY”. Nonconventional Technologies Review 25, no. 2 (June 30, 2021). Accessed January 21, 2022. http://revtn.ro/index.php/revtn/article/view/333.