ISSN 0256-1840 
ISBN 0 946226 09 1 
International Archives of Photogrammetry and Remote Sensing 
Archives Internationales de Photogrammetrie et de Teledetection 
Internationales Archiv der Photogrammetrie und Fernerkundung 
Volume / Volume / Band 26 Part / Tome / Teil 4 
QUISITION AND REVISION 
OF SPATIAL INFORMATION 
symposium held by Commission IV of the International Society 
metry and Remote Sensing and the Remote Sensing Society 
ick Halls, Edinburgh, Scotland, 8-12 September 1986 
? International Society for Photogrammetry and Remote Sensing 
and the Remote Sensing Society