Coding References
JTC 1: http://www.jtc1.org
SC 24: http://isotc.iso.ch/livelink/livelink.exe?func=ll&
objId=327973&objAction=browse&sort=name
WG8: http://www.sedris.org/wg8home
EDCS: http://www.sedris.org/edcs.htm
Registry: http://jitc.fhu.disa.mil/nitf/graph_reg/graph_reg.htm
FACC: http://www.digest.org
IHO: http://www.iho.shom.fr/ http://www.universal.ca/S-57/s57_enc_catalog.html
DDA: http://www-datadmn.itsi.disa.mil/ddm.html
UCDM: http://164.214.2.59/sandi/datamodel/
SDTS: http://mcmcweb.er.usgs.gov/sdts/
OGC: http://www.opengis.org/
TC211: http://www.statkart.no/isotc211/