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\bibitem{Simpson+Montaner-Piza2014} Simpson, G. S. et al, \& Montaner-Piza, A. (2014). Yrast 6(+) Seniority Isomers of Sn-136,Sn-138. \textit{Phys. Rev. Lett.}, \textit{113}(13), 132502--6pp.

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