While there is no specific "research paper" published for , you can find the technical documentation and version-specific information through the following official resources: Technical Documentation & Guides
Before 2021 (when Blackmagic and Adobe finally caught up), syncing scratch audio from a DSLR to high-quality WAVs from a Zoom or Tascam was a manual nightmare. You were either clapping a slate or visually lining up waveforms by zooming in until your eyes bled. Red Giant PluralEyes 4.1.1