1. Freitas M.I., 2000, An Alternative to Updating Topographic Maps Using SPOT Images, International Archives of Photogrammetry and Remote Sensing, XXXIII/B4.

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2. Ottichilo, W. & Khamala, E., 2002, MAP UPDATING USING HIGH RESOLUTION SATELITE IMAGERY A CASE OF THE KINGDOM OF SWAZILAND. 

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3. 2022. Google Earth.

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4. National Land Survey of Finland. 2022. Map updating.

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5.Gao, M., Xu, X., Klinger, Y. et al, 2017. High-resolution mapping based on an Unmanned Aerial Vehicle (UAV) to capture paleoseismic offsets along the Altyn-Tagh fault, China.

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6. Ngondi, S., Makanga, J., Sweta, L., Buyengo, J., Mtaroni, V. and Wahome, A., 2019. Topographical Map Updating Using Sentinel 2A.

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7. Jasim, O., 2007. Digital Geomatics Trends for Production and Updating Topographic Map by Using Digital Generalization Procedures.

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8. Lunar and Planetary Institute, 2023, Topography and Satellite Images. 

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9. Shrestha, K.G. (no date) Updating of topographic maps in Nepal, Journal on Geoinformatics, Nepal. 

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10. Author links open overlay panelD.A. Holland et al. (2006b) Updating topographic mapping in Great Britain using imagery from high-resolution satellite sensors, ISPRS Journal of Photogrammetry and Remote Sensing