Bellocchi, G., Donatelli, M., Monotti, M., Carnevali, G., Corbellini, M. and Scudellari, D. (2006) “Balance sheet method assessment for nitrogen fertilization in winter wheat: II. alternative strategies using the CropSyst simulation model”, Italian Journal of Agronomy, 1(3), pp. 343–358. doi: 10.4081/ija.2006.343.