1. Electron trajectory program
2. The Effect of Space Charge and Initial Velocities on the Potential Distribution and Thermionic Current between Parallel Plane Electrodes
3. LONGO , R. T. , 1980 ,Int. Electron Devices Mtg., p. 467 : 1981,Phys. Rev.( submitted for publication ).
4. TRUE , R. B. , 1972 , Space-charge-limited beam forming systems analysed by the method of self-consistent fields with solution of Poisson's equation on a deformable relaxation mesh . Ph.D. Thesis ( University of Connecticut ).