Papachristou, P. K., E. Mavrommatis, V. Constantoudis, F. K. Diakonos, and J. Wambach. “Decay Widths of Isoscalar Giant Monopole Resonances: Regular and Chaotic Dynamics”. HNPS Advances in Nuclear Physics, vol. 15, Jan. 2020, pp. 74-81, doi:10.12681/hnps.2622.