Lough, B., Lee, S. P., Dou, Z., Lewis, R. A. & Zhang, C. (2003). Thermal and Electrical Characteristics of a Multilayer Thermionic Device. COMMAD 2002 Proceedings (pp. 511-514). USA: IEEE-Inst Electrical Electronics Engineers Inc.
Lough, B., Lee, S. P., Dou, Z., Lewis, R. A. & Zhang, C. (2003). Thermal and Electrical Characteristics of a Multilayer Thermionic Device. COMMAD 2002 Proceedings (pp. 511-514). USA: IEEE-Inst Electrical Electronics Engineers Inc.