Pinglot , J. F., M. Pourchet, B. Lefauconnier, J. O. Hagen, E. Isaksson, R. Vaikm, and K. Kamiyama. “Accumulation in Svalbard Glaciers Deduced from Ice Cores With Nuclear Tests and Chernobyl Reference Layers”. Polar Research, vol. 18, no. 2, Jan. 1999, pp. 315-21, doi:10.3402/polar.v18i2.6590.