Isotope evidence for agricultural extensification reveals how the world’s first cities were fed (Nature Plants, 2017)

(untitled) - Styring, A; Charles, M; Fantone, F; Hald, M; McMahon, A; Meadow, R; Nicholls, G; Patel, A; Pitre, M; Smith, A; Sołtysiak, A; Stein, G; et al.