ISPRS Council 1992 - 1996 
President Shunji Murai Japan 
Secretary General Lawrence W. Fritz USA 
Congress Director Karl Kraus Austria 
Treasurer John Trinder Australia 
First Vice President Kennert Torlegard Sweden 
Second Vice President Armin Grün Switzerland 
International Archives of Photogrammetry and Remote Sensing (IAPRS) 
Founded bei Eduard DoleZal (Austria) in 1913. 
Volume XXXI, Part B7 
Invited and Presented Papers of the XVIIIth Congress, Vienna, Austria, July 9 to 19, 1996. 
Technical Commission VII 
Resource and Environmental Monitoring 
President Roberto Pereira da Cunha Brazil 
Secretary Sherry Chou Chen Brazil 
In cooperation with Working Group Chairpersons responsible for the reviewing of extended Abstracts and 
acceptance of contributions. Authors delivered camera ready manuscripts and selected the keywords. 
Editorial Team 
Chief Editor Peter Waldhäusl Austria 
EDP-Software Heinrich Vesely Austria 
EDP-Processing Hans Thüminger Austria 
Technical-Assistance Ulrike Pachowsky Austria 
Josef Tschannerl Austria 
Eva Berkes Austria 
Copyright 1996 
by Austrian Society of Surveying and Geoinformation (ASG) on behalf of ISPRS, and by each author for his part. 
Responsible for the content according to Austrian Press Law / Für den Inhalt presserechtlich verantwortlich: 
Prof. Dr. P. Waldháusl 
Technische Universitát Wien 
Institut für Photogrammetrie und Fernerkundung 
GuBhausstrabe 27 - 29 / 122 
A-1040 Wien 
Printing: Druckerei Berger, Horn 
For Sale after the Congress 
Copies of individual parts and complete series may be obtained from: 
RICS Books 
Surveyor Court 
Westwood Way 
Coventry CV4 8KE U.K. 
Fax: +44 71 334 3800 
F^ nd 
p