Snow accumulation studies in Antarctica with GPR at 50, 100 and 800 MHz.
Sinisalo, A., A. Grinsted, J.C. Moore, E. Kärkäs and R. Petterson (2003) Snow accumulation studies in Antarctica with ground penetrating radar using 50, 100 and 800 MHz antenna frequencies. Annals of Glaciology 37, 194198. pdf