Liu, X., N. Wang, J. Shao and X. Chu, 2017: An automated processing algorithm for flat areas resulting from DEM filling and interpolation.

Liu, X., N. Wang, J. Shao and X. Chu, 2017: An automated processing algorithm for flat areas resulting from DEM filling and interpolation. ISPRS International Journal of Geo-Information , 6 (11), 376:1-14, doi:10.3390/ijgi6110376.