MoneroResearchLab (npub1m0n…cfay) which in turn cites
https://eprint.iacr.org/2022/596.pdf
which cites
https://www.researchgate.net/profile/Matthijs-Coster/publication/221355301_Addition_Chain_Heuristics/links/685da48b92697d42903b4a3d/Addition-Chain-Heuristics.pdf
which cites
https://mega.nz/file/JoB0GIAT#g9saIRunCjFYPHGpKv30b09MXbtVuN2RmAW_yNngl4w
which cites
https://mega.nz/file/glpXiLLK#KrsURVWIM_Wz6_NH1s2DVHn1iztTdwFGAE5LQEOu98Y
which, unfortunately, is a wall of german @polarizing_is_bad