H. Forssell. (2011)cite arxiv:1109.0699Comment: 32 pages. This is the first pre-print version, the final revised version can be found at http://onlinelibrary.wiley.com/doi/10.1002/malq.201100080/abstract (posting of which is not allowed by Wiley). Changes in v2: updated comments.
R. Feistel. Accreditation and Quality Assurance: Journal for Quality, Comparability and Reliability in Chemical Measurement, (2010)10.1007/s00769-010-0695-4.