The Transjovian Vault is a Wikipedia proxy. You pick your language and your search term, and enter the vault to discover the secrets of the ancients, back when they still had air to breathe, and water to drink, and soil to farm.
The proxy transforms the wiki text into "readable" gemtext, and in doing so it removes practically all the links. That's because Wikipedia is a dense Hypertext. An interesting page such as "Project Gemini" has nearly three hundred links, last time I counted. That's why all the links and all the references are simply stripped. If you're into serious research, please visit the web view of the Wikipedia articles (linked at the bottom of every page).