Magazine: Bollettino G.S. Imperiese C.A.I.
Authors: CALANDRI Gilberto, FERRO Innocenzo
City: Imperia
Province: IM
Year: 1990
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Magazine: Speleologia
Authors: CALANDRI Gilberto, RAMELLA Liugi
City: Milano
Province: MI
Year: 1990
Username: admin