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On two short sediment cores from Lake Łazduny (northeastern Poland) different methods for age estimation were applied including varve counting, 210 Pb, 137 Cs and OSL dating. The investigated sediment consists of finely laminated, organic-rich calcareous gyttja interrupted by a sand layer. For 210 Pb we tested the CFCS, CIC, CRS and SIT models and compared the results with...
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