Pinglot , Jean Francis, Michel Pourchet, Bernard Lefauconnier, Jon Ove Hagen, Elisabeth Isaksson, Reinäe Vaikm, and Kokichi Kamiyama. 1999. “Accumulation in Svalbard Glaciers Deduced from Ice Cores With Nuclear Tests and Chernobyl Reference Layers”. Polar Research 18 (2):315-21. https://doi.org/10.3402/polar.v18i2.6590.