A digital elevation model to aid geostatistical mapping of weeds in sunflower crops M. Jurado-Expósito, F. López-Granados, J. M. Peña-Barragán and L. García-TorresAgron. Sustain. Dev., 29 2 (2009) 391-400DOI: https://doi.org/10.1051/agro:2008045
