EarthExplorer - Home. USGS May, 2020.
EarthExplorer - Home [link]Paper  bibtex   
@misc{usgs_earthexplorer_2020,
	title = {{EarthExplorer} - {Home}},
	url = {https://earthexplorer.usgs.gov/},
	urldate = {2020-05-29},
	author = {{USGS}},
	month = may,
	year = {2020},
	keywords = {natuurlijkgeo},
}

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