00554nam a2200097Ia 4500080001100000100003100011245009900042260000900141520028600150583002000436  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