Gronau, Ryszard, Jan Szmidt, and Elżbieta Czerwosz. “Correlation Between Electric Parameters of Carbon Layers and Their Capacity for Field Emission”. Journal of Telecommunications and Information Technology 29, no. 3 (September 30, 2007): 37–38. Accessed April 22, 2026. https://jtit.pl/jtit/article/view/826.