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The effect of error in gridded digi-tal elevation models on the estimation of topographic parameters. RAAFLAUB L D,COLLINS M J. Environmental Modeling and Software . 2006
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Error propagation analysis of DEM-based drainage basin delineation. OKASNEN J,SARJAKOSKI T. International Journal of Re-mote Sensing . 2005
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The Effect of Error in Gridded Digital ElevationModels on Topographic Analysis and on the Distributed Hydrologi-cal Model Topmodel. RAAFLAUB L D. . 2002