1. Pittman JK, Dean AP, Osundeko O (2011) The potential of sustainable algal biofuel production using wastewater resources. Bioresour Technol 102:17–25. https://doi.org/10.1016/j.biortech.2010.06.035
2. Lundquist T, Woertz I, Quinn N, Benemann J (2010) A realistic technology and engineering assessment of algae biofuel production. Energy Biosciences Institute, Univeristy of California p 1–178
3. Eurostat Eurostat 2013-2015. https://ec.europa.eu/eurostat/
4. Barth-Haas Group (2019) Beer production worldwide from 1998 to 2018 (in billion hectoliters). In: Statistics. Hops 2018/2019, p 9
5. Brewers Assiociation (2013) Wastewater Management Guidance Manual. 1–47