1. Abira MA, van Bruggen JJA, Denny P (2005) Potential of a tropical subsurface constructed wetland to remove phenol from pre-treated pulp and paper mill wastewater. Wat Sci Technol 51:173–176
2. Akratos CS, Tsihrintzis VA (2007) Effect of temperature, HRT, vegetation and porous media on removal efficiency of pilot-scale horizontal subsurface flow constructed wetlands. Ecol Eng 29:173–191
3. APHA (1998) Standard methods for the examination of water and wastewater, 20th edn. American Public Health Association (APHA), American Water Works Association and Water and Environmental Federation, Washington, DC
4. Arimoro FO, Osakwe EI (2006) The influence of sawmill wood wastes on the distribution and population of macroinvertebrates at Benin River, Niger Delta area, Nigeria. Chem Biodiv 3:578–592
5. Arvidsson S (2006) En ekotoxikologisk studie av lakvatten från timmerbevattning (An ecotoxicological study of runoff from sprinkling of roundwood). Master’s thesis, LITH-IFM-EX-05/1508-SE, Linköping University, Linköping, Sweden