Alternating-spin S = 3/2 and σ = 1/2 Heisenberg chain with isotropic three-body exchange interactionsNedko B. Ivanov, Svetozara I. Petrova and Jürgen SchnackEur. Phys. J. B, 89 5 (2016) 121DOI: https://doi.org/10.1140/epjb/e2016-70057-y