GML 3.1

GML (Geography Markup Language)

[2] () https://www.iana.org/assignments/media-types/application/gml+xml

[1] Geography Markup Language - Wikipedia, the free encyclopedia () https://en.wikipedia.org/wiki/Geography_Markup_Language

[3] Geography Markup Language | OGC () http://www.opengeospatial.org/standards/gml

[4] ISO 19136