?url_ver=Z39.88-2004&rft_id=10.1109%2FNatPC.2011.6136411&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.Z.&rft.aulast=Mahamat&rft.au=Mahamat%2C+A.Z.&rft.title=Synthesizing+and+characterization+of+Cu-WC-Si+composite+prepared+by+using+planetary+ball+milling&rft.date=2011&rft.isbn=9781457718847&rft.genre=proceeding