Could you provide the or the context where you found this file name so I can narrow down the specific paper you need?
Look at the reference list of the source document you pulled this from to see if "EYS94" is listed as a short-hand citation. eys94.rar
In many student psychology documents and course notes, the citation [EYS94] or [CITATION Eys94] is used to reference the widely used cognitive psychology textbook by Michael W. Eysenck (specifically editions published around 1994). Could you provide the or the context where
If this is a specific local file or course file you encountered, the name likely stems from one of the following conventions: eys94.rar