@article{bray2014javascript,
	title={The javascript object notation (json) data interchange format},
	author={Bray, Tim},
	year={2014},
	url={https://tools.ietf.org/html/rfc8259}
}

@article{butler2016geojson,
	title={The geojson format},
	author={Butler, Howard and Daly, Martin and Doyle, Allan and Gillies, Sean and Hagen, Stefan and Schaub, Tim and others},
	journal={RFC 7946; The Internet Engineering Task Force},
	year={2016},
	url={https://tools.ietf.org/html/rfc7946}
}

@article{open1999opengis,
	title={OpenGIS simple features specification for SQL},
	author={{Open GIS Consortium} and others},
	journal={URL: http://www. opengeospatial. org/docs/99-054. pdf},
	year={1999},
	url={https://portal.opengeospatial.org/files/?artifact_id=829}
}

@misc{bostock2017topojson,
	title={TopoJSON},
	author={Bostock, Mike},
	year={2017},
	publisher={Online},
	url={https://github.com/topojson/topojson-specification}
}