1. Albuquerque A, Bandeiras R (2010) Influence of vegetation in the variation of longitudinal dispersion in Leca-based horizontal subsurface flow beds. In: Proceedings of the 9th International Conference on Hydroinformatics (HIC 2010), 7–11 September 2010, IAHR-IAHS-IWA, Tianjin, China, pp 1214–1221. doi: 10.1234/12345678
2. Albuquerque A, Santana F (2004) Hydrodynamic behaviour of a biological packed bed under different hydraulic and organic loading. In: Reis AH, Miguel AF (eds) Applications of Porous Media, Geophysics Centre, Évora, Portugal, 319–327 (ISSN: 972 9098 36 0)
3. APHA, AWWA, WPCF (1998) Standard Methods for the Examination of Water and Wastewater, 20th edn. American Public Health Association, Washington DC, USA
4. Aslan A, Turkman A (2005) Combined biological removal of nitrate and pesticides using wheat straw as substrates. Process Biochem 40(2):935–943. doi: 10.1016/j.procbio.2004.02.020
5. Boley A, Müller W-R, Haider G (2000) Biodegradable polymers as solid substrate and biofilm carrier for denitrification in recirculated aquaculture systems. Aquacult Eng 22:75–85. doi: 10.1016/S0144-8609(00)00033-9