Gerland , Sebastian, Jan-Gunnar Winther, Jon Børre Ørbæk, and Boris V. Ivanov. 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.