- https://blog.shunzi.tech/post/database-internal-b-tree-summary/
- https://kousiknath.medium.com/data-structures-database-storage-internals-1f5ed3619d43
- https://www.geeksforgeeks.org/introduction-of-b-tree-2/
- https://www.javatpoint.com/file-organization-storage
- http://labe.felk.cvut.cz/~stepan/AE3B33OSD/Lesson10-Data_Access.pdf
- https://w6113.github.io/files/papers/btreesurvey-graefe.pdf
- https://unsat.cs.washington.edu/papers/castro-karney-bs-thesis.pdf
- https://docs.mongodb.com/manual/core/wiredtiger/
- http://pages.cs.wisc.edu/~yinan/fdtree.html