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\bibitem{Grkovski_etal2015} Grkovski, M., Brzezinski, K., Cindro, V., Clinthorne, N. H., Kagan, H., Lacasta, C., et al. (2015). Evaluation of a high resolution silicon PET insert module. \textit{Nucl. Instrum. Methods Phys. Res. A}, \textit{788}, 86--94.

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