Calzolari, M. C., Ungaro, F. , Tarocco, P. , Guermandi, M. and Laruccia, N., 2003, Sequential Gaussian simulations to estimate and map organic matter in the soils of the pianura emiliano-romagnola, 4th European Congress on Regional Geoscientific Cartography and Information Systems, Bologna, 2003,
URL: http://www.cnr.it/prodotto/i/117971

Data from https://intranet.cnr.it/people/