Brás, I. , Figueirinha, A. , Esteves, B. , Cruz-Lopes, L.. "Valorization of Lignocellulosic Wastes – Evaluation of Its Toxicity When Used in Adsorption Systems". World Academy of Science, Engineering and Technology, Open Science Index 90, International Journal of Environmental and Ecological Engineering (2014), 8(6), 450 - 454.