?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.conbuildmat.2011.08.015&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kakooei%2C+S.&rft.aulast=Kakooei&rft.aufirst=S.&rft.date=2012&rft.issn=09500618&rft.title=Construction+and+Building+Materials&rft.atitle=The+effects+of+polypropylene+fibers+on+the+properties+of+reinforced+concrete+structures&rft.pages=73-77&rft.volume=27&rft.issue=1&rft.genre=article