@misc{mishra_trew_1993, title={Method of making high current, high voltage breakdown field effect transistor}, volume={5180681}, publisher={Washington, DC: U.S. Patent and Trademark Office}, author={Mishra, U. K. and Trew, R. J.}, year={1993} }
 @misc{mishra_trew_1992, title={High current, high voltage breakdown field effect transistor}, volume={5084743}, publisher={Washington, DC: U.S. Patent and Trademark Office}, author={Mishra, U. K. and Trew, R. J.}, year={1992} }
 @misc{mishra_1991, title={Microelectronic electron emitter}, volume={5077597}, publisher={Washington, DC: U.S. Patent and Trademark Office}, author={Mishra, U. K.}, year={1991} }