{"release":"Rel-4","nodes":[{"number":"01.01","type":"TS","title":"Technical Specifications and Technical Reports for a GERAN-based 3GPP system","series":1,"status":"Under change control","initial_release":"Release 1999","primary_group":"SP","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=5"}],"edges":[]}