CLASSIFICATION OF ARTIFICIAL CAVITIES_ A FIRST CONTRIBUTION BY THE UIS COMMISSION
Parise M., Galeazzi C., Bixio R., Dixon R., 2013, CLASSIFICATION OF ARTIFICIAL CAVITIES_ A FIRST CONTRIBUTION BY THE UIS COMMISSION,
16th International Congress of Speleology, pp. 230–235, Brno (Czech Republic), July 21-28, 2013,
URL: http://www.cnr.it/prodotto/i/245689
Data from https://intranet.cnr.it/people/