Schmid Neset, T. S., Bader, H. P., Scheidegger, R., & Lohm, U. (2008). The flow of phosphorus in food production and consumption — Linköping, Sweden, 1870–2000. Science of the Total Environment, 396(2–3), 111-120. https://doi.org/10.1016/j.scitotenv.2008.02.010