{"release":"Rel-5","nodes":[{"number":"04.61","type":"TS","title":"General Packet Radio Service (GPRS); Point-to-multipoint multicast; Stage 3","series":4,"status":"Withdrawn before change control","initial_release":"Release 1997","primary_group":null,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=221"}],"edges":[]}