Pfirman S., Gascard J.-C., Wollenburg I., Mudie P., and Abelmann A. “Particle-Laden Eurasian Arctic Sea Ice: Observations from July and August 1987”. Polar Research, vol. 7, no. 1, Jan. 1989, pp. 59-66, doi:10.3402/polar.v7i1.6830.