Gerland Sebastian, Winther Jan-Gunnar, Børre Ørbæk Jon, and Ivanov Boris V. 1999. “Physical Properties, Spectral Reflectance and Thickness Development of First Year Fast Ice in Kongsfjorden, Svalbard”. Polar Research 18 (2):275-82. https://doi.org/10.3402/polar.v18i2.6585.