1. “Principles of Cyclic Particle Accelerators,”;Livingood,1961
2. “Particle Accelerators,”;Livingston,1962
3. Much information about modern developments can be found in the proceedings of the series of International Conferences on Sector Focused Cyclotrons. They will be referred to as follows:
4. Conference I. National Academy of Sciences-National Research Council Publication 656, Nuclear Science Series Report No. 26 (1959), F. T. Howard (ed.).
5. Conference II. Sector-focused Cyclotrons (1962), K. Siegbahn and F. T. Howard (eds.). Nucl. Instrum. Methods 18, 19. (Reprinted by North-Holland Publ., Amsterdam.)