%0 Journal Article %T Natural, Synthetic, and Recycled Polymers in Composite Materials %A Gonzalo Mart¨ªnez-Barrera %A Osman Gencel %A Carmina Menchaca-Campos %A Enrique Vigueras-Santiago %J International Journal of Polymer Science %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/389162 %U http://www.hindawi.com/journals/ijps/2013/389162/