Erratum to: Meccanica DOI 10.1007/s11012-012-9682-7

Due to an unfortunate turn of events this article was published with typos in some formulas appearing in Eqs. (34), (35) and (47). Please find on this page the correct version of such formulas that should be regarded by the reader as the final version.

(34)
(35)
$$ \mu_{\mathrm{II}} = \biggl[\coth\lambda_{5}b + \frac{1}{\lambda _{5}a}\biggl(1 - 2\frac{\sinh \lambda _{5}\ell}{\sinh \lambda _{5}b}\biggr)\biggr]^{2}. $$
(47)