All hail Robert Boyle, the inventor of the atmosphere. Really? Well, he was the first to note that the pressure and volume of a gas are inversely proportional at a constant temperature and that led us to the . . .
Everything here is from the references shown below, with a few comments in an alternate color.
Aeronautical Information Manual
Shein, Karsten, "Common Sense and Winter Flying," Professional Pilot, Nov 2011
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