?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Giulio+D.&rft.aulast=Guerra&rft.au=Guerra%2C+Giulio+D.&rft.title=Poly(vinil+alcohol)-chitosan+blends+modified+by+means+of+a+dehydrothermal+treatment&rft.date=2009&rft.genre=proceeding