The Two Towers is the second volume of J. R. R. Tolkien's high fantasy novel "The Lord of the Rings".
ZRC, ZRC SAZU, Ljubljana 2003* Carlo D'Ambrosi: "Considerazioni sull'origine e sul periodo di svolgimento del ciclo carsico in atto nella Venezia Giulia con particolare riguardo all'Istria e al Carso di Trieste", Atti e Memorie della Commissione Grotte, Trieste 1965== Sklici ==== Zunanje povezave ==* Speleogenesis Network, a communication platform for physical speleology and karst science research* Speleogenesis and Karst Aquifers – a large glossary of Karst related terms* Acta Carsologica – research papers and reviews in all the fields related to karst* CDK Citizens of the Karst – Citizens of the Karst, a non profit NGO dedicated to the protection of the Puerto Rican Karst (English site available)* The Virtual Cave's page on karst landforms* Inštitut za raziskavo krasa