{"aspect_id":"AS42","aspect_name":"surface-mass-density","aspect_reference":null,"aspect_symbol":null,"name":"surface-mass-density pound per yard","scale_id":"SC1124","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None lb.yd-1","unit_id":"UN1165","unit_name":"pound per yard","unit_reference":null,"unit_symbol":"lb.yd-1"}