RECERCAT - Articles científics http://www.recercat.cat:80/handle/2072/47955 Mon, 21 May 2012 18:58:13 GMT 2012-05-21T18:58:13Z The Channel Image http://www.recercat.cat:80/bitstream/id/34955/ http://www.recercat.cat:80/handle/2072/47955