?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Pham%2C+Van+Hoi&rft.aulast=Pham&rft.aufirst=Van+Hoi&rft.issue=6&rft.volume=30&rft.date=2013&rft.issn=1520-8540&rft.atitle=Control+of+Whispering-Gallery-Mode+Spectrum+from+Erbium-doped+Silica+Microsphere+Lasers&rft.title=Journal+of+the+Optical+Society+of+America+B&rft.pages=1586+-+1589&rft.genre=article