https://browncs1260.github.io/notes/9
Pairs and the heap | CSCI 1260 - Compilers
Brown University CSCI 1260 - Compilers, Fall 2022
and thepairsheapcscicompilers
https://www.mordlust.de/tag/top-of-the-heap/
Top of the Heap Archive - mordlust
of thetopheaparchive