1. Helical microtubules of graphitic carbon
2. Cathode Ray Tube Lighting Elements with Carbon Nanotube Field Emitters
3. Y. Saito, K. Hata, R. Mizushima, T. Tanaka, S. Uemura, T. Nagasako, J. Yotani, and T. Shimojo, “Field emission from carbon nanotubes and its application to FED Elements,”Proc IDW '08, 173 (1998).
4. S. Uemura, J. Yotani, T. Nagasako, Y. Saito, and M. Yumura, “Carbon nanotube FED high-luminance triode panel,”Proc IDW '99, 93–96 (1999).