1. J. M. Borwein and R. E. Crandall,“Closed Forms: What They Are and Why We Care,” Notices of the AMS, vol. 60, no. 1, pp. 50–65, January 2013. DOI: 10.1090/noti936. 1
2. C. A. Balanis, Antenna Theory, Analysis and Design, 3rd Ed. New York: Wiley, 2005, §3.4, § 4.2.4, § 4.5.2, and Chapter 6. 1, 3, 4
3. R. W. P. King, G. Fikioris, and R. B. Mack, Cylindrical Antennas and Arrays. Cambridge, UK, Cambridge University Press, 2002, §1.6, §2.9. DOI: 10.1017/CBO9780511541100. 3
4. C. A. Balanis, Advanced Engineering Electromagnetics. New York: Wiley, 1989, §1.4 and Chapter 13. 4
5. J. B. Marion and S. T. Thornton, Classical Dynamics of Particles and Systems, 4th Ed. Dumfries, NC: Holt, Rinehart & Winston, 1995, Section 4.4. 5, 7, 19