Time, frequency, phase and delay (1996) (libinst.com)

This:

https://audioxpress.com/article/frequency-delay-dispersion

Lists it in references (at the very bottom of the page) as

  Bill Waslo, “Time, Frequency, Phase, and Delay,” Speaker Builder 7/96.

Everything is time series analyzable, so long as you wait long enough ;)

Most could benefit from being modernized to use block diagram software like Scilab/Xcos. Learning is much quicker and more effective when there's an interactive hands-on component.