References
- APAT-IRSA/CNR. 2003. Metodi analitici per le acque (Analytical methods for water). APAT Manuali e Linee Guida 29/2003, 1153 pp.
- Dufrêne, M. & P. Legendre. 1997. Species assemblages and indicator species: the need for a flexible asymmetrical approach. Ecol. Monogr. 61: 53–73.
- Eloranta, P. & J. Soininen. 2002. Ecological status of some Finnish rivers evaluated using benthic diatom communities. J. Appl. Phycol. 14: 1–7.
- European Parliament. 2000. Directive 2000/60/EC of the European Parliament and of the Council establishing a framework for Community action in the field of water policy. O. J. L 327.
- European Committee For Standardization. 2003. Water quality — Guidance standard for the routine sampling and pretreatment of benthic diatoms from rivers. European Standard EN 13946. European Committee for Standardization, Brussels.
- European Committee For Standardization. 2004. Water quality — Guidance standard for the identification, enumeration and interpretation of benthic diatom samples from running waters. European Standard EN 14407. European Committee for Standardization, Brussels.
- Hammer, Ø., D.A.T. Harper & P.D. Ryan. 2007. PAST PAlaeontological STatistics, ver. 1.66. http://folk.uio.no/ohammer/past/. Accessed in August 2007.
- Hlúbiková, D., A. Hindáková, M. Haviar & J. Miettinen. 2007. Application of diatom water quality indices in influenced and non-influenced sites of Slovak rivers (Central Europe). Arch. Hydrobiol. Suppl. 161 (Large Rivers 17): 443–464.
- Ivanov, P. & L. Ector. 2006. Achnanthidium temniskovae sp. nov., a new diatom from the Mesta River, Bulgaria, p. 147–154. In N. Ognjanova-Rumenova & K. Manoylov [eds.], Advances in Phycological Studies. Pensoft Publisher & University Publishing House, Sofia-Moscow.
- Kahlert, M., C. Andrén & A. Jarlman. 2006. Diatoms as biomonitoring tools in Sweden, p. 71–75. In É. Ács, K.T. Kiss, J. Padisák & K.É. Szabó [eds.], 6th International Symposium ‘Use of Algae for Monitoring Rivers’. Hungarian Algological Society, Göd, Hungary.
- McCune, B. & M.J. Mefford. 1999. Multivariate analysis of ecological data, version 4. MjM Software Design, Gleneden Beach, Oregon, USA.
- Monnier, O., H. Lange-Bertalot, F. Rimet, L. Hoffmann & L. Ector. 2004. Achnanthidium atomoides sp. nov., a new diatom from the Grand-Duchy of Luxembourg. Vie Milieu 54: 127–136.
- Picinska-Faltynowicz, J. 2007. Epilithic diatoms as indicators of water quality and ecological status of streams of Sudety Mountains (South-Western Poland). Arch. Hydrobiol. Suppl. 161 (Large Rivers 17): 287–305.