?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Hassen+Imbarak+Sayed&rft.aulast=Hassen&rft.aufirst=Imbarak+Sayed&rft.volume=37&rft.issn=0365-8066&rft.title=Acta+mineralogica-petrographica&rft.pages=75-82&rft.atitle=Rare-earth+elements+of+granitoid+rocks+of+St.+Katherine+area%2C+South+Sinai%2C+Egypt&rft.date=1996&rft.genre=article