?url_ver=Z39.88-2004&rft_id=10.1617%2Fs11527-008-9454-y&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Carpinteri&rft.aufirst=Alberto&rft.au=Carpinteri%2C+Alberto&rft.issn=1359-5997&rft.volume=42&rft.issue=10&rft.pages=1353-1367&rft.title=Materials+and+Structures&rft.atitle=A+numerical+approach+to+modelling+size+effects+on+the+flexural+ductility+of+RC+beams&rft.date=2009&rft.genre=article