Beyond the walls: the design and development of the Petralona Cave virtual museum utilising 3D technologies oleh Elli Karkazi, Athanassios Athanassiou, Andreas Darlas, Panagiotis Tokmakidis, Emmanouil K. Tzimtzimis, Vicky Chatziparadeisi, Ioannis Aspiotis, George Triantafyllakos, Charisios Achillas, Dimitrios Aidonis, Dimitrios Tzetzis, Dionysis Bochtis