Herrero, M., Thornton, P.K., Power, B., Bogard, J.R., Remans, R., Fritz, S. <https://pure.iiasa.ac.at/view/iiasa/98.html> ORCID: https://orcid.org/0000-0003-0420-8549 <https://orcid.org/0000-0003-0420-8549>, Gerber, J.S., Nelson, G., et al.  (2017).  Farming and the geography of nutrient production for human use: a transdisciplinary analysis.   The Lancet Planetary Health 1 (1) e33-e42. 10.1016/S2542-5196(17)30007-4 <https://doi.org/10.1016/S2542-5196%2817%2930007-4>.