.. _BINARY: http://www.ivoa.net/documents/PR/VOTable/VOTable-20040322.html#ToC27
.. _BINARY2: http://www.ivoa.net/documents/VOTable/20130315/PR-VOTable-1.3-20130315.html#sec:BIN2
.. _COOSYS: http://www.ivoa.net/documents/VOTable/20191021/REC-VOTable-1.4-20191021.html#ToC20
.. _DESCRIPTION: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC19
.. _FIELD: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC24
.. _FIELDref: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC31
.. _FITS: https://fits.gsfc.nasa.gov/fits_documentation.html
.. _GROUP: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC31
.. _ID: https://www.w3.org/TR/xml-id/
.. _INFO: http://www.ivoa.net/documents/VOTable/20040811/REC-VOTable-1.1-20040811.html#ToC19
.. _LINK: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC22
.. _multidimensional arrays: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC12
.. _numerical accuracy: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC26
.. _PARAM: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC24
.. _PARAMref: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC31
.. _RESOURCE: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC21
.. _TABLE: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC23
.. _TABLEDATA: http://www.ivoa.net/documents/PR/VOTable/VOTable-20040322.html#ToC25
.. _TIMESYS: http://www.ivoa.net/documents/VOTable/20191021/REC-VOTable-1.4-20191021.html#ToC21
.. _unified content descriptor: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC28
.. _unique type: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC29
.. _units: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC27
.. _VALUES: http://www.ivoa.net/documents/REC/VOTable/VOTable-20040811.html#ToC30
.. _VOTABLE: http://www.ivoa.net/documents/PR/VOTable/VOTable-20040322.html#ToC9
