1. Steady forced vibration as influenced by damping;Jobcobsen;Trans. of the ASME,1930
2. Forced vibrations with combined coulomb and viscous friction;Den Hartog;Trans. of the ASME,1931
3. Wrijvingsproeven in verband met het slippen van autobanden;Papenhuyzen;De Ingenieur,1938
4. Fundamental sspects of boundary lubrication;Blok;J. Soc. Automotive Engrs,1940
5. Ko PL. Autonomous quasi-harmonic and forced vibration of frictional systems PhD thesis, Dept. of Mech. Eng., University of British Columbia, Vancouver, BC, Canada, 1969.