1. ISO 5725-1 (1994) Accuracy (trueness and precision) of measurement methods and results—part 1: general principles and definitions. International Organization for Standardization, Geneva
2. ISO 5725-2 (1994) 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. International Organization for Standardization, Geneva
3. ISO 16140 (2003) Microbiology of food and animal feeding stuffs—protocol for the validation of alternative methods. Annex M. Interlaboratory study of qualitative methods: criteria of accordance, concordance and concordance odds ratio. International Organization for Standardization, Geneva
4. Langton SD, Chevennement R, Nagelkeke N, Lombard B (2002) Analysing collaborative trials for qualitative microbiological methods: accordance and concordance. Int J Food Microbiol 79:171–181
5. van der Voet H, van Raamsdonk WD (2004) Estimation of accordance and concordance in inter-laboratory trials of analytical methods with qualitative results. Int J Food Microbiol 95:231–234