{"aspect_id":"AS37","aspect_name":"volume","aspect_reference":null,"aspect_symbol":"V","name":"volume barrel (petroleum U.S.)","scale_id":"SC784","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"V bbl","unit_id":"UN146","unit_name":"barrel (petroleum U.S.)","unit_reference":null,"unit_symbol":"bbl"}