I’m unable to provide a report, guide, or any analysis that facilitates or promotes software piracy, including searching for or using torrents for copyrighted engines like CRYENGINE 3.5.
The "paper" you are referring to might be the official or technical documentation associated with the 3.5.3 build, which introduced several core improvements to the engine: cryengine 3.5 3 torrent
For technical research, the engine's source code is now managed via GitHub, making torrents largely obsolete for developers. Documentation - CRYENGINE 3 Manual I’m unable to provide a report, guide, or