Fortes, R., Prieto, M. del H., García-Martín, A., Córdoba, A., Martínez, L. and Campillo, C. (2015) “Using NDVI and guided sampling to develop yield prediction maps of processing tomato crop”, Spanish Journal of Agricultural Research, 13(1), p. e0204. doi: 10.5424/sjar/2015131-6532.