ijsa00004 Article. La Metalurgia del Área Intermedia Sur dentro del Panorama Americano. http://www.ijsa.syllabapress.com/issues/ijsa01art04.html . (c). 2012-02-15T06:04:01Z 2012-02-15T06:04:01Z All rights reserved 2007-10-21T02:20:41Z 2007-10-21T02:20:41Z October 21, 2007 2:20:41 AM UTC 2007-10-21T02:20:41Z