Abstract :
A reference was omitted from the Letter to the Editor by Tomasz Dlugosz, "A Puzzle: How to Prove the Pythagorean Theorem in Antenna Analysis?," IEEE Antennas and Propagation Magazine, 55, 3, June 2013, pp. 190-191. It should have been cited at the end of the first sentence in the letter, and appeared in a list of references as follows: 1. Hubert Trzaska, Electromagnetic Field Measurements in the Near Field, Noble Publishers, 2001.
