Vicca, S., B. D. Stocker, S. C. Reed, W. R. Wieder, M. Bahn, P. A. Fay, I. A. Janssens, H. Lambers, J. Penuelas, S. Piao, K. T. Rebel, J. Sardans, B. D. Sigurdsson, K. Van Sundert, Y. Wang, S. Zaehle and P. Ciais. 2018. Using research networks to create the comprehensive datasets needed to assess nutrient availability as a key determinant of terrestrial carbon cycling. Environmental Research Letters 13(12):125006.