?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FDDF.329.113&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=G.M.&rft.au=Asmelash%2C+G.M.&rft.aulast=Asmelash&rft.atitle=Pressureless+sintering+and+characterization+of+Al2O+3-SiO2-ZrO2+composite&rft.title=Defect+and+Diffusion+Forum&rft.date=2012&rft.pages=113-128&rft.issn=10120386&rft.volume=329&rft.genre=article