?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Su%C3%A1rez+Guerra&rft.aufirst=Fernando&rft.au=Su%C3%A1rez+Guerra%2C+Fernando&rft.issue=1&rft.pages=26-31&rft.date=2011&rft.issn=1439-7706&rft.atitle=Stress+relaxation+losses+of+prestressing+steel+wires&rft.title=CPI+-+Concrete+Plant+International&rft.genre=article