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Section of Classical Electromagnetism by Richard Fitzpatrick by whole-work author Richard Fitzpatrick; no separate chapter byline is established. The University of Texas at Austin hosts the author’s teaching text.

Online text: farside.ph.utexas.edu/teaching/jk1/Electromagnetism/node60.html

Verified title and author byline: farside.ph.utexas.edu/teaching/jk1/Electromagnetism/index.html

Online revision: 2014-06-27; this is not an original publication date.

Cited passages: Complete Permanent Ferromagnets section, particularly equations (709) and (712)–(716); Outward surface-normal discussion following equation (710); Whole-work index byline; existing reusable source scope also verified in physics-bibliography.bigb.

Section 9.6 of Classical Electromagnetism by Richard Fitzpatrick. Equations (1289)–(1293) derive the bound-charge Rayleigh limit and frequency scaling. The sphere polarizability and needle-orientation calculations in the solutions are separate derivations.

Section 1.7 of Classical Electromagnetism by Richard Fitzpatrick. Equations (71)–(76) give the Lorenz-gauge wave equations and causal potentials. Whole-work author credit applies.

Section 12.22 of Classical Electromagnetism by Richard Fitzpatrick. Equations (1974)–(1981) cover beaming, power and pulse compression. Whole-work author credit applies.