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        TITLE = "Analysis of Users and Uses of DEMs in Spain",
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@article{bb206955,
        AUTHOR = "Guan, Z.C. and Jiang, Y.H. and Zhang, G.",
        TITLE = "Vertical Accuracy Simulation of Stereo Mapping Using a Small Matrix
Charge-Coupled Device",
        JOURNAL = RS,
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        YEAR = "2017",
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        PAGES = "xx-yy",
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@article{bb206956,
        AUTHOR = "Forlani, G. and Dall'Asta, E. and Diotri, F. and di Cella, U.M. and Roncella, R. and Santise, M.",
        TITLE = "Quality Assessment of DSMs Produced from UAV Flights Georeferenced
with On-Board RTK Positioning",
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        VOLUME = "10",
        YEAR = "2018",
        NUMBER = "2",
        PAGES = "xx-yy",
        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202123"}

@article{bb206957,
        AUTHOR = "Alganci, U. and Besol, B. and Sertel, E.",
        TITLE = "Accuracy Assessment of Different Digital Surface Models",
        JOURNAL = IJGI,
        VOLUME = "7",
        YEAR = "2018",
        NUMBER = "3",
        PAGES = "xx-yy",
        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202124"}

@article{bb206958,
        AUTHOR = "Schmidt, K. and Reimann, J. and Ramon, N.T. and Schwerdt, M.",
        TITLE = "Geometric Accuracy of Sentinel-1A and 1B Derived from SAR Raw Data
with GPS Surveyed Corner Reflector Positions",
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        YEAR = "2018",
        NUMBER = "4",
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        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202125"}

@article{bb206959,
        AUTHOR = "Yang, Q.M. and Yang, Y.D. and Wang, Z.M. and Zhang, B.J. and Jiang, H.",
        TITLE = "Elevation Change Derived from SARAL/ALtiKa Altimetric Mission:
Quality Assessment and Performance of the Ka-Band",
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        YEAR = "2018",
        NUMBER = "4",
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        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202126"}

@article{bb206960,
        AUTHOR = "An, S. and Zhang, X.Y. and Chen, X. and Yan, D. and Henebry, G.M.",
        TITLE = "An Exploration of Terrain Effects on Land Surface Phenology across
the Qinghai-Tibet Plateau Using Landsat ETM+ and OLI Data",
        JOURNAL = RS,
        VOLUME = "10",
        YEAR = "2018",
        NUMBER = "7",
        PAGES = "xx-yy",
        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202127"}

@article{bb206961,
        AUTHOR = "Salekin, S. and Burgess, J.H. and Morgenroth, J. and Mason, E.G. and Meason, D.F.",
        TITLE = "A Comparative Study of Three Non-Geostatistical Methods for
Optimising Digital Elevation Model Interpolation",
        JOURNAL = IJGI,
        VOLUME = "7",
        YEAR = "2018",
        NUMBER = "8",
        PAGES = "xx-yy",
        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202128"}

@article{bb206962,
        AUTHOR = "Mertikas, S.P. and Donlon, C. and Femenias, P. and Mavrocordatos, C. and Galanakis, D. and Tripolitsiotis, A. and Frantzis, X. and Tziavos, I.N. and Vergos, G. and Guinle, T.",
        TITLE = "Fifteen Years of Cal/Val Service to Reference Altimetry Missions:
Calibration of Satellite Altimetry at the Permanent Facilities in
Gavdos and Crete, Greece",
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        YEAR = "2018",
        NUMBER = "10",
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@article{bb206963,
        AUTHOR = "Nie, S. and Wang, C. and Xi, X. and Li, G. and Luo, S. and Yang, X. and Wang, P. and Zhu, X.",
        TITLE = "Exploring the Influence of Various Factors on Slope Estimation Using
Large-Footprint LiDAR Data",
        JOURNAL = GeoRS,
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        YEAR = "2018",
        NUMBER = "11",
        MONTH = "November",
        PAGES = "6611-6621",
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@article{bb206964,
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        TITLE = "Vegetation Phenology Driving Error Variation in Digital Aerial
Photogrammetrically Derived Terrain Models",
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        YEAR = "2018",
        NUMBER = "10",
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@article{bb206965,
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        TITLE = "Satellite and In Situ Observations for Advancing Global Earth Surface
Modelling: A Review",
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        YEAR = "2018",
        NUMBER = "12",
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@article{bb206966,
        AUTHOR = "Tian, Y. and Lei, S.G. and Bian, Z. and Lu, J. and Zhang, S. and Fang, J.",
        TITLE = "Improving the Accuracy of Open Source Digital Elevation Models with
Multi-Scale Fusion and a Slope Position-Based Linear Regression
Method",
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        NUMBER = "12",
        PAGES = "xx-yy",
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@article{bb206967,
        AUTHOR = "Graham, A. and Coops, N.C. and Wilcox, M. and Plowright, A.",
        TITLE = "Evaluation of Ground Surface Models Derived from Unmanned Aerial
Systems with Digital Aerial Photogrammetry in a Disturbed Conifer
Forest",
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        VOLUME = "11",
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        NUMBER = "1",
        PAGES = "xx-yy",
        BIBSOURCE = "http://www.visionbib.com/bibliography/cartog948.html#TT202134"}

@article{bb206968,
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        TITLE = "Pixel-Based Geometric Assessment of Channel Networks/Orders Derived
from Global Spaceborne Digital Elevation Models",
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        NUMBER = "3",
        PAGES = "xx-yy",
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@article{bb206969,
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        TITLE = "Enhancing UAV-SfM 3D Model Accuracy in High-Relief Landscapes by
Incorporating Oblique Images",
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        NUMBER = "3",
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@article{bb206970,
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        TITLE = "European Digital Elevation Model Validation against Extensive Global
Navigation Satellite Systems Data and Comparison with SRTM DEM and
ASTER GDEM in Central Macedonia (Greece)",
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        YEAR = "2019",
        NUMBER = "3",
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@article{bb206971,
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Stereo-Pairs in Urban Areas",
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@inproceedings{bb206976,
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@inproceedings{bb206979,
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@inproceedings{bb206980,
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@inproceedings{bb206982,
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        TITLE = "Development of a Time-Dependent 3-Parameter Helmert Datum
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@inproceedings{bb206983,
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@inproceedings{bb206984,
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@inproceedings{bb206985,
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@inproceedings{bb206986,
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        TITLE = "Quality Analysis Of 3d Surface Reconstruction Using Multi-platform
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@inproceedings{bb206987,
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@inproceedings{bb206988,
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@inproceedings{bb206989,
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@inproceedings{bb206995,
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@inproceedings{bb206996,
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@inproceedings{bb206997,
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@inproceedings{bb206998,
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@inproceedings{bb206999,
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