S. E. Salcudean Shahram Tafazoli K. Hashtrudi-Zaad Peter D. Lawrence Claude Reboulet Evaluation of Impedance and Teleoperation Control of a Hydraulic Mini-Excavator. 229-240 1997 conf/iser/1997 ISER db/conf/iser/iser1997.html#SalcudeanTHLR97