Catasto Speleologico Ligure
Salvaguardia si… salvaguardia no… 
Magazine: Gruppo Speleologico CAI Bolzaneto
Authors: RONCAGLIOLO Roberto
City: Genova
Province: GE
Year: 1978
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Ricerche in Val Maremola 
Magazine: Gruppo Speleologico CAI Bolzaneto
Authors: SALONIO Andrea
City: Genova
Province: GE
Year: 1978
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Scogli Neri 
Magazine: Notiziario
Authors: Delegazione Speleologica Ligure
City: Genova
Province: GE
Year: 1978
Topic: tutela
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