I personally consider this to be a better intro, albeit in video form:
https://www.youtube.com/watch?v=tCsl6ZcY9ag
This is a more recent paper (2019) that I think is better constructed and more aware of the in-field work than TFA:
https://pmc.ncbi.nlm.nih.gov/articles/PMC7006947/
Yes, not having had the time to read TFA or the paper you shared yet, it immediately stands out to me that the bibliography of the latter paper is far more comprehensive.
Yes, not having had the time to read TFA or the paper you shared yet, it immediately stands out to me that the bibliography of the latter paper is far more comprehensive.