All students should see it at some point in their studies. See the article '"Frames of Reference" revisited' by Alistair Steyn-Ross and Donald G Ivey, American Journal of Physics 60(12), 1069-1085, ...
Athos, Anthony, and John J. Gabarro. "Understanding Another Person, Part I: The Individual Frame of Reference." Harvard Business School Background Note 473-009, August 1972. (Revised September 1976.) ...
P-frame, the “Predictive” frame uses previous I-type or P-type frame as a reference to code the difference. B-frame, the “Bi-directional” interpolated frame uses previous I-frame or P-frame as well as ...