?url_ver=Z39.88-2004&rft_id=10.7232%2Fiems.2012.11.1.094&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Liu&rft.aufirst=Shi+Qiang&rft.au=Liu%2C+Shi+Qiang&rft.issn=1598-7248&rft.title=Industrial+Engineering+and+Management+Systems&rft.issue=1&rft.date=2012&rft.volume=11&rft.atitle=An+interactive+planning+and+scheduling+framework+for+optimising+pits-to-crushers+operations&rft.genre=article