FRANCIS HITCHING, Earth magic, London, Cassell, 1976, 8vo, pp. xiv, 196, illus., £4.50. For centuries the stone circles, barrows, dolmens and hill "forts" that are found in Northern Europe and Britain have attracted continual attention and bitter controversy. They mostly date from the fifth to second centuries B.C. and many of them have been shown to have acted as calendars and prognosticators ...

Today’s cyber-attacks towards enterprise networks often un­ dermine and even fail the mission assurance of victim net­ works. Mission cyber resilience (or active cyber defense) is critical to prevent or minimize negative consequences to­ wards missions. Without effective mission impact assess­ ment, mission cyber resilience cannot be really achieved. However, there is an overlooked gap between ...

Many forts of South India are known for their art-historical aspects rather than planning and architectural [1]. The prevailing detailed survey reports available date back to 1802 when East Company carried out a documentation the acquired by Tipu Sultan establishing defense base [1][2][3]. inefficiency hold successful was neglected hence turned functionally obsolete These deserted which possess...

La production hydroélectrique et le développement hydroagricole sont les motivations plus fréquentes des projets récents en Afrique subsaharienne. En zone sahélienne où la topographie est généralement peu marquée, l’hydroélectricité pénalisée par fait que chute souvent assurée barrage lui-même faute de naturelle à valoriser. Le régime hydrologique se caractérise une saison sèche humide, imposan...

The book presents the settlement in a period of European history (late 3rd to early 7th century) when highly exposed areas between Late Antique capitals Ravenna and Constantinople underwent radical transformation. relentless pressure barbarian populations from beyond Roman limes resulted political, military, economic social changes that finally led decline former forms human habitation. Cities ...

Cultural heritage is a particularly significant resource in creating tourism. When local community recognizes its cultural (small historic towns, buildings, castles, and forts), it possible to create new value meet the needs of tourists, using principles circular economy. Adapting, reusing restoring sites can contribute revitalization economy by jobs (increased employment), increased spending, ...

la censure, considérée comme une stratégie légale par les hommes d’etat d’un grand nombre de pays, s’applique à travers le monde pour contrôler les échanges d’idées afin de sauvegarder les intérêts politique, culturel, éthique,  religieux, … des gouvernements et des citoyens. pour certains, elle date de l’invention de l’imprimerie, mais à en croire les documents existants, elle remonte à l’anti...

The Danube Basin is the most extensive part of Central European basin area (with Czech- and Vienna Basins). critical peculiarity geographical landscape significant expansion temporarily or permanently water-covered areas. In traditional age, size regions depended to a degree on climate changes. important regional that global changes in are reflected primarily not temperature but rather levels p...