While there are no formal "academic papers" on this specific mod (as it's a niche game modding topic), the following are the that mod developers, wiki editors, and technical players use.
Displays the ghostly alternative item available on the flip side when playing as Lazarus or Tainted Lazarus. Quality of Life & Customization item description mod isaac repentance
If you need to install the mod manually (for the Epic Games store, GOG, or other scenarios), follow these steps: While there are no formal "academic papers" on