O. Brandt

Instruments and Methods Determination of firn density in ice cores using image analysis

Veijo A. Pohjola, Jack Kohler, E. Isaksson, 2007 .

Glacier geometry and elevation changes on Svalbard (1936–90): a baseline dataset

Jon Ove Hagen, Jack Kohler, J. Hagen, 2007, Annals of Glaciology.

Determination of firn density in ice cores using image analysis

Veijo A. Pohjola, Jack Kohler, Roderik S. W. van de Wal, 2007 .