1. Ball and Roller Bearing Engineering, Burbank, Philadelphia;Palmgren,1959
2. Generating mechanical of friction torque in a ball bearing 1;Kakuta;Mechanism,1965
3. Generating mechanical of friction torque in a ball bearing 2;Kakuta;Mechanism,1965
4. Rolling resistance in lightly loaded bearings;Snare;Ball Bearing J.,1968
5. Rolling resistance in lightly loaded bearings;Snare;Ball Bearing J.,1968