1. Roentgen
2. The rays: a history of radiology in the United States and Canada. Baltimore;Brecher,1969
3. On a new kind of ray (translation);Roentgen;Br J Radiol,1933
4. Principles and practice of radiation oncology;Perez,2004
5. Fractionation: a panoramic view;Del Regato;Int J Radiat Oncol Biol Phys,1990