1. International Standard, Accuracy (Trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method, ISO 5725-2-1994, Geneva, 1994.
2. International Standard, Accuracy (trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method, ISO 5725-4-1994, Geneva, 1994, Sections 1–4, 6.
3. International Standard, Accuracy (trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method, ISO 5725-4-1994, Geneva, 1994, Sections 1–3, 5–6.
4. ISO/IEC Guide 43-1:1997 (E), Proficiency testing by interlaboratory comparisons: Part 1: Development and operation of proficiency testing schemes.
5. Multivariate analysis of a round-robin study on the measurement of chlorobiphenyls in fish oil