{"aspect_id":"AS168","aspect_name":"reciprocal-length","aspect_reference":null,"aspect_symbol":null,"name":"reciprocal-length reciprocal metre","scale_id":"SC1213","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None m-1","unit_id":"UN64","unit_name":"reciprocal metre","unit_reference":null,"unit_symbol":"m-1"}