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This article has three parts. In the first one the author analyses the formation of the international regime on climate change since the negotiations and signing of the United Nations Framework Convention on Climate Chan...

The Glyptodontidae (Mammalia, Xenarthra) are one of the most common paleofaunistic elements in the South American megafauna. In this context, of the six genera most frequently recorded in the South American Pleistocene (...

The present article presents an integrative theoretical framework to explain and to predict psychological changes achieved by different modes of treatment. This theory states that psychological procedures, whatever their...