1. M. Abramowitz, and I. E. Stegun Handbook of Mathematica Functions with Formulas, Graphs and Mathematical Tables, U. S. Department of Commerce, National Bureau of Standards, Washington (1972).
2. SIMULATION OF n+−n−n+ DEVICES BY A HYDRODYNAMIC MODEL: SUBSONIC AND SUPERSONIC FLOWS
3. N. W. Ashcroft, and N. D. Mermin, Solid State Physics, Saunders College Publishing International Edition, Philadelphia (1976).
4. On a hierarchy of macroscopic models for semiconductors
5. An energy-transport model for semiconductors derived from the Boltzmann equation