Gerland S., Winther J.-G., Børre Ørbæk J., and Ivanov B. V. “Physical Properties, Spectral Reflectance and Thickness Development of First Year Fast Ice in Kongsfjorden, Svalbard”. Polar Research, vol. 18, no. 2, Jan. 1999, pp. 275-82, doi:10.3402/polar.v18i2.6585.