1. J. Alean, W. Haeberli, and B. Schadler, 1983 . Snow accumulation, firn temperature and solar radiation in the area of the Colle Gnifetti core drilling site (Monte Rosa, Swiss Alps): distribution patterns and interrelationships .Z. Gletscherkd. Glazialgeol.19, 131 -147 .
2. M. Armbruster, 2000 . Stratigraphical dating of high-alpine ice cores over the last 1000 years (in German) . Ph.D. Thesis , Ruprecht-Karls-Universitat Heidelberg, Germany, http://archiv.ub.uni-heidelberg.de.
3. Radioglaciology
4. A. Doscher, H. Gaggeler, U. Schotterer, and M. Schwikowski, 1995 . A 130 years deposition record of sulfate and cloride from a high-alpine glacier .Water, Air, Soil Pollut.85, 603 -609 .
5. O. Eisen, U. Nixdorf, F. Wilhelms, and H. Miller, 2002 . Electromagnetic wave speed in polar ice: Validation of the CMP technique with high resolution DEP and gamma-density measurements .Ann. Glaciol.34, 150 -156 .