Relaton::Un: retrieve CC Standards for bibliographic use using the IsoBibliographicItem model

Relaton::W3c: retrieve W3C Standards for bibliographic using the IsoBibliographicItem model

Relaton::Etsi: retrieve ETSI Standards for bibliographic using the BibliographicItem model

Relaton::Iana: Ruby XMLDOC impementation.

Relaton::Isbn: retrieve publications by ISBN for bibliographic use using the BibliographicItem model

Relaton::Jis: retrieve IETF Standards for bibliographic use using the BibliographicItem model

Retrieve Project PLATEAU bibliographic items.

Relaton::Xsf: retrieve ISO Standards for bibliographic use using the IsoBibliographicItem model