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Wikipedia: Timeline of diving technology

Anchor text: archive (ITA)

Wikipedia: SS Andrea Doria

Anchor text: Article in Italian about the sinking of the battleship ''Queen Elizabeth''

Wikipedia: Koper

Anchor text: Article in Italian about the sinking of the battleship ''Queen Elizabeth''

Wikipedia: Spartaco Schergat

Anchor text: ''Il Comandante Raimondo Bucher'' di Alberto Romeo

Wikipedia: Raimondo Bucher