?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.ijleo.2011.09.002&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Ahmed&rft.aufirst=H.Y.&rft.au=Ahmed%2C+H.Y.&rft.volume=123&rft.date=2012&rft.title=Optik&rft.pages=1352-1359&rft.issue=15&rft.atitle=Performance+analysis+of+spectral-amplitude-coding+optical+CDMA+systems+with+new+subtract+exclusive+or+detection+(SED)+using+vectors+combinatorial+(VC)+code&rft.issn=00304026&rft.genre=article