1. The continuous X-ray spectrum;Stephenson,1957
2. X-ray emissivity as a function of cathode potential;Webster;Phys. Rev.,1917
3. Classical Electricity and Magnetism;Panofsky,1961
4. Teoriya Polya (The Classical Theory of Fields), 6th ed. Gosudarstvennoe Izatel'stvo Fizico-matematicheskoi Literaturi, Moskva;Landau,1973
5. X-Rays in Theory and Experiment;Compton,1935