1. Mechanical Accelerometers
2. The UNISA folded pendulum: A very versatile class of low frequency high sensitive sensors, Measurement;Barone,2017
3. The Kinematics of Machinery;Reuleaux,1876
4. Kinematics of Mechanisms from the Time of Watt;Ferguson;US Nat. Museum Bull.,1962
5. Tests on a low-frequency inverted pendulum system