The collapse of the eastern Mediterranean : climate change and the decline of the East, 950-1072 / Ronnie Ellenblum.
"As a 'Medieval Warm Period' prevailed in Western Europe during the tenth and eleventh centuries, the eastern Mediterranean region, from the Nile to the Oxus, was suffering from a series of climatic disasters which led to the decline of some of the most important civilisations and cul...
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