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R. A. Beth, “Elliptical and Circular Current Sheets to Produce a Prescribed Internal Field”, in Proc. 2nd Particle Accelerator Conf. (PAC'67), Washington D.C., USA, Mar. 1967, pp. 386-389. |
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R. A. Beth, “Complex Methods for Three-Dimensional Magnetic Fields”, in Proc. 4th Particle Accelerator Conf. (PAC'71), Chicago, IL, USA, Mar. 1971, pp. 901-904. |
