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ACKNOWLEDGEMENT 
The author thanks Mr. H.P. Kienzle, H. Schneider, 
R. Waltenspiel and S. Kuntz of the Department of 
Photointerpretation and Remote Sensing at the Uni 
versity of Freiburg for developing special software 
and for the consultation. 
The author also thanks Mr. V. Amann of DFVLR, Ober- 
pfaffenhofen/Muenchen for acquiring the airborne 
scanner data. 
REFERENCES 
H.J. Boehnel, W. Fischer, G. Knoll 1978. Spectral 
Field Measurements for the Determination of Reflec 
tance Characteristics of Vegetation Surfaces. 
In Proceedings International Society for Photo- 
grammetry Comission VII and International Union of 
Forestry Research Organizations Subject Group 6.05 
Remote Sensing Freiburg, F.R.G. , July 2-8, 1978. 
D.M. Gates 1970. Physical and physiological proper 
ties of plants. In:. Remote Sensing Nat. Acad, of 
Sciences, USA 1970, PP 224 - 225. 
G. Hildebrandt and A. Kadro 1984. Aspects of Country 
wide Inventory and Monitoring of Actual Forest 
Damages in Germany. In: BUL, Heft ЗА 1984. 
A. Kadro 1981. Untersuchung der spektralen Refle 
xionseigenschaften verschiedener Vegetationsbe 
stände. Diss. Forstfakultät. Univ. Freiburg, S. 215. 
A. Kadro 1984. Investigation of spectral signatures 
of differently damaged trees and forest stands 
using airborne multispectral data. In: Proceedings 
of IGARSS'84 Symposium, Strasbourg 27 - 30. August 
1984. 
A. Kadro 1985. Investigation of Spectral Reflectance 
Signatures on Forest Damages Using Multispectral 
Data. In: Proceedings of the 3rd International 
Colloquium on Spectral Signatures of Cbjects in 
Remote Sensing, Les Arcs, France, 16-20 Dec. 1985 
(ESA SP - 247). 
K.T. Kriebel 1978. Reflection Terminology for Remote 
Sensing Applications. In: Proceedings Internatio 
nal Society for Photogrammetry Comission VII and 
International Union of Forestry Research Organi 
zations Subject Group 6.05 Remote Sensing Frei 
burg, F.R.G. , July 2-8, 1978. 
Fig. 10 SPRUCE STANDS (LANDSAT 5-TM)