?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Zhang%2C+X&rft.aufirst=X&rft.aulast=Zhang&rft.issue=4&rft.title=Soils+and+Foundations&rft.pages=603-618&rft.issn=0038-0806&rft.atitle=Characterisation+of+the+ultimate+particle+size+distribution+of+uniform+and+gap-graded+soils&rft.volume=57&rft.date=August+2017&rft.genre=article