Kalita, V., Reshetniak, S. and Ryabchenko, S. 2024. Instability and Disturbance of Ferromagnetic Pendulum Oscillations at Magnetic-Orientation Phase Transition Induced by Magnetic Field. Ukrainian Journal of Physics. 69, 9 (Oct. 2024), 684. DOI:https://doi.org/10.15407/ujpe69.9.684.