http://standards.iso.org/iso/19109/ed-2/en/
ISO 19109:2015 General Feature Model
http://standards.iso.org/iso/19109/ed-2/en/
feature attributecharacteristi ...... inology Harmonization Meeting]
http://standards.iso.org/iso/19109/ed-2/en/
http://standards.iso.org/iso/19109/ed-2/en/
http://standards.iso.org/iso/19109/ed-2/en/
http://standards.iso.org/iso/19109/ed-2/en/
http://standards.iso.org/iso/19109/ed-2/en/