Rosemarin, A., Macura, B., Carolus, J., Barquet, K., Ek, F., Järnberg, L., Lorick, D., Johannesdottir, S., Pedersen, S. M.,
Koskiaho, J., Haddaway, N. R., & Okruszko, T. (2020). Circular nutrient solutions
for agriculture and wastewater – a review of technologies and practices. Current Opinion in Environmental
Sustainability, 45, 78-91. doi:10.1016/j.cosust.2020.09.007.