Protección y registro del software Article. CC by-nc-nd. Download allowed. 2026-06-09T18:56:45Z 2026-06-09T18:56:45Z Creative Commons Attribution Non-commercial No Derivatives 3.0 2009-12-14T16:28:05Z 2009-12-14T16:28:05Z December 14, 2009 at 4:28:05 PM UTC 2009-12-14T16:28:05Z