4 08 180 
XIII CONGRESS OF THE INTERNATIONAL SOCIETY OF PHOTOGRAMMETRY 
Helsinki 1976 
Commission VII 
Invited Paper 
"VEGETATION DAMAGE AND REMOTE SENSING: 
PRINCIPAL PROBLEMS AND SOME RECOMMENDATIONS” 
by 
Peter A. Murtha 
Faculty of Forestry, University of British Columbia 
2075 Wesbrook Place, Vancouver, British Columbia, Canada V6T 1W5 
U.D.,C.. 528.711.1.029.672 
528.77:634.0.4