00583nam a2200109Ia 450000500170000008000110001710000310002824500990005926000090015852002860016758300200045320260716044106.0  aSerial  aContreras Polgatti, Arturo  aRegionalismo : desafios, oportunidades y amenzas : una visión de la situación sudamericana  c2005  aPresents a thorough analysis of regionalisation processes from a contemporary and current geopolitical perspective. Examines the situation in South both in terms of natural advantages and inherent difficulties that may result, in integration as well as in disintegration phenomena.  c9/4/14kSANDRAW