Rosario Ruggieri
(1)
, Abdelsalam Elshaafi
(2)
, Awad Bilal
, Fathi Salloum
(2)
, Saad Elshari
(2)
(1)
Centro Ibleo di Ricerche Speleo-Idrogeologiche, via Torrenuova 87, 97100 Ragusa, Italy,
(2)
Department of Earth Science, Faculty of Science, University of Benghazi, Benghazi, Libya
