?url_ver=Z39.88-2004&rft_id=10.3390%2Fcryst11121434&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Javed%2C+M.F.&rft.aufirst=M.F.&rft.aulast=Javed&rft.title=Crystals&rft.issue=12&rft.atitle=Axial+behavior+of+concrete-filled+double-skin+tubular+stub+columns+incorporating+PVC+pipes&rft.issn=20734352&rft.date=2021&rft.volume=11&rft.genre=article