Garrett, Milan Wayne (1967). "Thick Cylindrical Coil Systems for Strong Magnetic Fields with Field or Gradient Homogeneities of the 6th to 20th Order". Journal of Applied Physics. 38 (6): 2563–2586. Bibcode:1967JAP....38.2563G. doi:10.1063/1.1709950.
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Garrett, Milan Wayne (1967). "Thick Cylindrical Coil Systems for Strong Magnetic Fields with Field or Gradient Homogeneities of the 6th to 20th Order". Journal of Applied Physics. 38 (6): 2563–2586. Bibcode:1967JAP....38.2563G. doi:10.1063/1.1709950.