ISPRS SDH Symposium – Abstract Extension – 30th Sept ISPRS SDH Symposium – Abstract Extension – 30th Sept September 3, 2009 chris Comments 0 Comment The abstract submission deadline for ISPRS Spatila Data Handling Symposium in Hong Kong has been extended to 30th September. We are aiming to have a strong Geovisualisation presence at this event. Please consider joining us!