* Stores `inspirehep.net` and `cds.cern.ch` can return a JSON string instead of an XML one. * For example: http://inspirehep.net/record/1471725?of=recjson * More on the JSON API: https://inspirehep.net/info/hep/api?ln=fr * Map JSON / MARC: https://github.com/inspirehep/invenio/blob/prod/modules/bibfield/etc/atlantis.cfg * Comparison between JSON and MARC in [CodesJsonMarc.pdf](/uploads/644fd6af927f05d54064baba7fb5b7ab/CodesJsonMarc.pdf) and [Json_fields.pdf](/uploads/6d30afc3ff85bbc7389dcf5d81159f01/Json_fields.pdf)