{"aspect_id":"AS232","aspect_name":"radiant-energy-density-per-unit-frequency","aspect_reference":null,"aspect_symbol":null,"name":"radiant-energy-density-per-unit-frequency joule per metre cubed (per hertz)","scale_id":"SC1568","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None J.m-3.(Hz-1)","unit_id":"UN1481","unit_name":"joule per metre cubed (per hertz)","unit_reference":null,"unit_symbol":"J.m-3.(Hz-1)"}