1. IYPT 2021 problems,2020
2. XLIV. On the vibrations of a loaded spiral spring;Wilberforce;London, Edinburgh Dublin Phil. Mag. J. Sci.,1894
3. Wilberforce pendulum oscillations and normal modes;Berg;Am. J. Phys.,1991
4. Wilberforce’s pendulum revisited;Köpf;Am. J. Phys.,1990
5. The resonance of the Wilberforce pendulum and the period of beats;Plavčić;Lat.-Am. J. Phys. Edu.,2009