?url_ver=Z39.88-2004&rft_id=10.1109%2FICDIP.2009.32&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=M.H.A.&rft.au=Fadzil%2C+M.H.A.&rft.aulast=Fadzil&rft.isbn=9780769535654&rft.title=Contrast+enhancement+of+retinal+vasculature+in+digital+fundus+image&rft.date=2009&rft.genre=proceeding