?url_ver=Z39.88-2004&rft_id=10.1007%2Fs10971-014-3382-9&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Vu%2C+Thi+Hong+Ha&rft.aulast=Vu&rft.aufirst=Thi+Hong+Ha&rft.issue=3&rft.volume=71&rft.date=September+2014&rft.issn=0928-0707&rft.atitle=Luminescent+core%E2%80%93shell+Fe3O4%40Gd2O3%3AEr3%2B%2CLi%2BComposite+Particles+with+Enhanced+Optical+Properties&rft.title=Journal+of+Sol-Gel+Science+and+Technology&rft.pages=391-395&rft.genre=article