Data in Mountainous Regions. In: ESA Earth 
Observation Quarterly, No. 43. 
Haefner H., F. Holecz, E Meier, J.Piesbergen, 
1994. Capabilities and Limitations of ERS-1 
SAR Data for Snowcover Déterminations in Moun- 
tainous Regions; Proc. Second ERS-1 Symposium 
Hamburg, ESA SP-361, Paris, pp. 971-976. 
Haefner H., F. Holecz, E. Meier, D. Nüesch, 
1993. Monitoring of Snowcover in High Mountain 
Terrain with ERS-1 SAR, Proc. First ERS-1 Sym- 
posium - Space at the Service of our Environ- 
ment, Cannes, France, ESA SP-359, Paris, pp 
583-588 
Meier E. U. Frei, D. Nüesch, 1993. Precise 
Terrain Corrected Geocoded Images; in SAR Geo 
coding: Data and Systems, edited by G. Schrei- 
er, Wichmann-Verlag, Karlsruhe, pp. 173-186. 
Piesbergen, J., F. Holecz, H. Haefner, 1997. 
Multisource Sow Cover Monitoring in Eastern 
Switzerland. Proc. 3™ ERS Symposium, Florence, 
ESA SP-414, Vol. III, pp. 871-876. 
Piesbergen, J., and H. Haefner, 1997. "Multi- 
Source Snow Cover Monitoring in the Swiss 
Alps". Proc. Joint ISPRS Commission III/IV 
Workshop on 3D Reconstruction and Modelling of 
Topographic Objects, Stuttgart, pp. 15-18. 
Steinmeier Ch.A.M, 1995. Model-based snow co- 
ver mapping from remote sensing data for ope- 
rational snowmelt runoff forecasts, Disserta- 
tion No. 11248, Swiss Federal Institute of 
Technology, Zurich, Switzerland, 146 p. 
356 Intemational Archives of Photogrammetry and Remote Sensing. Vol. XXXII, Part 7, Budapest, 1998 
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