Verma P, Gautam S, Pal S, Kumar P, Chaturvedi P, Rawat J, Chaudhary P, Harsh D, Basu P, Bhatanagar P. Carbon Nanotube-based Cold Cathode for High Power MicrowaveVacuum Electronic Devices: A Potential Field Emitter. DSJ [Internet]. 1Sep.2008 [cited 18Sep.2019];58(5):650-4. Available from: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1688