The documents refer to one of the side discoveries of the research, specifically the discovery that living creatures are able to generate directed psy-emissions. A biological field emitter, essentially a giant brain, was grown as part of the research conducted in lab X16.In-game description
These documents must not fall into anyone else's hands, as they would be of great interest to USS analysts.
The Research documents is a document in S.T.A.L.K.E.R.: Call of Pripyat.
The document is one of six optional documents of the Laboratory X8: find documents concerning experiments mission. The document can be found at the north end of the Laboratory X8 canteen.