1. W. Wegscheider, in: H. Günzler (Ed.), Accreditation and Quality Assurance in Analytical Chemistry, Chap. 6, Springer-Verlag, Berlin, 1994, p. 153.
2. Peer Reviewed: A Practical Guide to Analytical Method Validation
3. G. Kateman, L. Buydens, Quality Control in Analytical Chemistry, 2nd edn., Wiley, New York, 1993, p. 119.
4. Assessment of analytical quality in automatic flow systems