A1:  M. Erhard

1. Simulation-based design of a direct-operated proportional pressure relief valve
   

A2:  V. Kireev

1.     Intrinsic sensor properties of solenoid actuators for fluid power
   

A3:  A. Bonanno

1.     Use of fiber reinforced plastics in cartridge valves manifold
   

A4:  C. Meyer

1. Multi-variable Control Concepts for a differential cylinder with an independent metering valve configuration