1. AFNor, 1992. Essai des eaux- Détermination de l’indice biologique global normalisé (IBGN). Association française de normalisation, norme homologuée T-90-350
2. Armitage P. D., Moss D., Wright J. F. and Furse M. T. (1983). The performance of a new biological water quality score system based on macroinvertebrates over a wide range of unpolluted running-water sites. Water Research 17: 333–347
3. Barbour M. T., J. Gerritsen, B. D. Snyder & J. B. Stribling, 1999. Rapid Bioassessment Protocols For Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates and Fish 2nd edn. EPA 841-B-99-002, U.S-Environmental Protection Agency, Washington, DC
4. Boyero L. (2003). The quantification of local substrate heterogeneity in streams and its significance for macroinvertebrates assemblages. Hydrobiologia 499: 161–168
5. Chester, R. K., 1980. Biological Monitoring Working Party. The 1978 national testing exercise: Technical Memorandum 19