Kwuimy, C.A. Kitio, and C. Nataraj. “Bistability and Bursting Oscillations in Electromechanical Butterfly Valves”. Journal of Applied Nonlinear Dynamics, vol. 2, no. 3, Aug. 2026, pp. 303-14, https://doi.org/10.5890/JAND.2013.08.005.