?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=D.&rft.au=Kamat%2C+D.&rft.aulast=Kamat&rft.title=World+Academy+of+Science%2C+Engineering+and+Technology&rft.date=2011&rft.volume=81&rft.issn=2010376X&rft.atitle=Comparative+characterization+study+of+Malaysian+sand+as+proppant&rft.pages=137-142&rft.genre=article