Cavalli M., Crema S., 2014, Connectivity ArcGIS 10.1 Toolbox version 1.0, 2014,
URL: http://www.cnr.it/prodotto/i/279165

ToolBox for the Connectivity Index calculation as expressed in_ Marco Cavalli, Sebastiano Trevisani, Francesco Comiti, Lorenzo Marchi, Geomorphometric assessment of spatial sediment connectivity in small Alpine catchments, Geomorphology, Volume 188, 15 April 2013, Pages 31-41, ISSN 0169-555X, http_//dx.doi.org/10.1016/j.geomorph.2012.05.007

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