?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.cscm.2018.03.011&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Bala&rft.au=Bala%2C+N.&rft.aufirst=N.&rft.title=Case+Studies+in+Construction+Materials&rft.date=2018&rft.volume=8&rft.issn=22145095&rft.pages=447-454&rft.atitle=Effect+of+nanosilica+particles+on+polypropylene+polymer+modified+asphalt+mixture+performance&rft.genre=article