Wong KL, Danikas M. Functionally Graded Materials (FGM) for Spacers in Gas Insulated Systems: A Concise Review and Some Comments. Eng. Technol. Appl. Sci. Res. [Internet]. 2021 Dec. 11 [cited 2024 Apr. 19];11(6):7887-91. Available from: https://etasr.com/index.php/ETASR/article/view/4482