OGC Definitions Service (Beta)

http://www.opengis.net/def/coordinate-operation/ogc/1.3/

http://www.opengis.net/def/coordinate-operation/ogc/1.3/

label http://www.opengis.net/def/coordinate-operation/ogc/1.3/ more like this
type
Collection
is primary topic of 1.3
same as
OGC Coordinate Operations 1.3
same as 1.3