4-0:  W. Hirschberg

1. General Lecture:
   On the competition between fluid- and electric automotive drives
   

4-1:  W. Schweiger

1. A Study on the Sealing Gaps of Internal Gear Ring Pumps for
   Automotive Drivetrain Applications
   

4-2:  B. Müller

1. Electrohydraulic power pack for truck cab tilting systems [DE] 
   

4-3:  C. Dumitrescu

1. Theoretical Research and Laboratory Experimental Tests Regarding the Dynamic Behavior of Hydraulic System for Energy Recovery at the Braking of Motor Vehicle
   

4-4:  W. Doehla

1. Piston Accumulator with detent function for automatic gearboxes [DE]