1. AQEM consortium 2002. Manual for the application of the AQEM system. 2002. A comprehensive method to assess European streams using benthic macroinvertebrates, developed for the purpose of the Water Framework Directive. Version 1.0. February 2002. http://www.eu-star.at/pdf/AqemMacroinvertebrateSamplingProtocol.pdf
2. Allan J.D. 1995. Stream Ecology: Structure and Function of Running Waters. Chapman and Hall, London, 388 pp. ISBN: 0412355302, 9780412355301
3. Allan J.D. 2004. Influence of land use and landscape setting on the ecological status of rivers. Limnetica 23(3–4): 187–198.
4. Allan J.D., Palmer M.A. & Poff N.L. 2005. Climate change and freshwater ecosystems, Chapter 17, pp. 274–290. In: Lovejoy T.E. & Hannah L. (eds), Climate Change and Biodiversity, Yale University Press, New Haven, CT, 418 pp. ISBN: 0300104251
5. Benke A.C. 1993. Concepts and patterns of invertebrate production in running waters. Verh. Int. Verein. Limnol. 25: 15–38.