{"aspect_id":"AS218","aspect_name":"luminous-exitance-per-unit-wavenumber","aspect_reference":null,"aspect_symbol":"M_{\\mathrm{V},\\sigma}","name":"luminous-exitance-per-unit-wavenumber lumen (per metre)","scale_id":"SC1418","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"M_{\\mathrm{V},\\sigma} lm.(m-1)","unit_id":"UN1331","unit_name":"lumen (per metre)","unit_reference":null,"unit_symbol":"lm.(m-1)"}