Sergiy Perepelytsya, Tudor Vasiliu, Aatto Laaksonen, Leon De Villiers Engelbrecht, and Francesca Mocci, Unusual bending patterns of spermidine³⁺ bound to DNA double helix , Low Temp. Phys. 50, (2024) [Fiz. Nyzk. Temp. 50, 219–230, (2024)] DOI: https://doi.org/10.1063/10.0024969.