When a Datum Is Not a Measurement: A Doctrinal When a Datum Is Not a Measurement: A Doctrinal Account of Metrological Traceability in Engineering Data Systems of Metrological Traceability in Engineering Data Systems. JEIDS [Internet]. 2026 Sep. 17 [cited 2026 Oct. 10];1(1):51-7. Available from: https://ijpress.com/jeids/article/view/88