Evaluating the human disturbance to karst environments in southern Italy.
Calò F. & Parise M., 2006, Evaluating the human disturbance to karst environments in southern Italy.,
Acta carsologica (Spletna izd.) 35(2) (2006): 47–56.,
URL: http://www.cnr.it/prodotto/i/66927
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