Laboratory for Dynamics of Machines and Structures 
Dynamic model of the electric-motor brush

LADISK, Faculty of Mech Eng, Univ of Ljubljana, (Confidential), 2005
This research is confidential.

Some scientific contribution is revealed it this related papers:
[On friction of the Graphite-Cooper Contact],
[Modelling and Analyzing the Dynamics of an electric-motor brush],
[Simulating Rough Contacts and Run-in].