Nice. Thank you. Even better, it’s a free study.
But instead of showing the coefficient of the model they derived, I would have shown figures 1 & 2 which are riveting to me.

Hush little baby, don’t say a word
And never mind that noise you heard
It’s angry birds under your bed
On your pants and in your head

A big spoonful of silicic acid always did the trick for me. It’s a sort of gel. I keep a bottle of it in the fridge for this purpose, but also for skin burns.

What exactly is “pilk”´?

MorphOS for me, which is API-compatible with AmigaOS up to version 3.1, but really snazzy in comparison, plus more “normal” hardware options.