L'expedició dels khàzars : un paral·lel caucàsic d'Heròdot?

The first work of the collection known as the Georgian Chronicles (KÔartÔlis CÔxovreba), «The History of the Kings of Iberia» by Leonti Mroveli, contains an episode relating to a Khazar invasion of Transcaucasia in a remote past, some generations after the biblical division of tongues at Babylon. Despite its medieval background, which is analysed in detail, we try to see in this text a late version of ancient autochthonous oral traditions dealing with a great prehistoric migration of Iranian steppe nomads through the Caucasus, comparing it with Herodotus' reports on the Cimmerian-Scythian raids in Asia Minor and with reference to Gimirrajaand I©/A©kuzajain thestate archives of the Assyrian king Esarhaddon

Els Sistemes de finançament de la xarxa viària a Europa

Despite the general consensus on the need for good infrastructure to facilitate growth, there is an open debate on how to finance and maintain this infrastructure. Building new infrastructure is generally welcomed because of its beneficial effect on growth and user satisfaction, but maintenance has none of this glamour. In Spain transport is by road in 90% of private travel and 80% of merchandise. The question to be asked is why should roads be free when other means of transport are not. Limitations in public revenue raising point to the need to bring in the private sector in the construction and maintenance of infrastructure for a sustainable model of mobility