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H. R. Froelich and E. Brannen, “Four-Sector Racetrack Microtrons”, in Proc. 2nd Particle Accelerator Conf. (PAC'67), Washington D.C., USA, Mar. 1967, pp. 756-760. |
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H. R. Froelich, D. S. Edmonds, J. J. Manca, and A. S. Thompson, “A Variable Energy Racetrack Microtron”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 260-263. |
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H. R. Froelich and J. J. Manca, “Performance of a Multicavity Racetrack Microtron”, in Proc. 6th Particle Accelerator Conf. (PAC'75), Washington D.C., USA, Mar. 1975, pp. 1758-1763. |
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H. R. Froelich, “Design of a Shuttle Microtron for Radiation Therapy”, in Proc. 7th Particle Accelerator Conf. (PAC'77), Chicago, IL, USA, Mar. 1977, pp. 1022-1025. |
