1. Practical Solution of Torsional Vibration Problems;Ker Wilson,1963
2. Analysis of factors influencing torsional vibrations of horizontal milling machine drive during hobbing;Marchelek,1963
3. Schwingungen an Werkzeugmaschinen;Tobias,1961
4. Analytical and experimental determination of natural frequency of torsional vibration in the tool machine main drive;Marchelek;Szczecin Technical University Scientific Journal. 46, Monographic Papers No. 14,1963