Porter, J. R., Challinor, A., Ewert, F., Fallon, P., Fischer, T., Gregory, P., van Ittersum, M. K.
, Olesen, J. E., Moore, K. J., Rosenzweig, C. & Smith, P. (2010).
Food Security: Focus on Agriculture.
Science,
328(5975), 172-173.
https://doi.org/10.1126/science.328.5975.172