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\bibitem{Jittoh_etal2010} Jittoh, T., Kohri, K., Koike, M., Sato, J., Shimomura, T., \& Yamanaka, M. (2010). Stau relic density at the big-bang nucleosynthesis era in the coannihilation scenario and a solution to the Li-7 problem. \textit{Phys. Rev. D}, \textit{82}(11), 115030--10pp.

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