?url_ver=Z39.88-2004&rft_id=10.1007%2Fs00289-009-0095-2&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Silvestri%2C+Davide&rft.aufirst=Davide&rft.aulast=Silvestri&rft.atitle=Different+composition+poly(methyl+methacrylate-co-butyl+methacrylate)+copolymers+through+seeded+semi-batch+emulsion+polymerization&rft.pages=423-439&rft.title=Polymer+Bulletin&rft.issn=0170-0839&rft.volume=63&rft.date=2009&rft.issue=3&rft.genre=article