Carbon-based adsorbents from de-inking paper sludges - GUERRERO LOPEZ, Francisca; BARRIGA CURILLO, SANDRA PAULINA; FIDALGO ALONSO, JOSE MANUEL; MENDEZ LAZARO, ANA MARIA; GASCO GUERRERO, GABRIEL (Special Issue Pyrolysys 2008 advances In Analytycal And Applied Pyrolysys 2006-2008, 2008)