?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Luong%2C+Viet+Nguyen&rft.aulast=Luong&rft.aufirst=Viet+Nguyen&rft.issue=2&rft.volume=32&rft.date=2016&rft.issn=0866-8612&rft.atitle=A+Watermark+Algorithm+Against+De-Synchronization+Attacks&rft.title=VNU+Journal+of+Computer+Science+and+Communication+Engineering&rft.pages=49-62&rft.genre=article