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. 2022 Jan 10;22(2):516. doi: 10.3390/s22020516

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Left canvas: Am-241 $α$ particles energy spectrum. Right canvas: Sr-90 $β$ particles energy spectrum.