Extreme events in a class of nonlinear Duffing-type oscillators with a parametric periodic forceDan Zhao, Yongge Li, Yong Xu, Qi Liu and Jürgen KurthsEur. Phys. J. Plus, 137 3 (2022) 314DOI: https://doi.org/10.1140/epjp/s13360-022-02530-z