?url_ver=Z39.88-2004&rft_id=10.1109%2FNatPC.2011.6136341&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Nugroho&rft.au=Nugroho%2C+H.&rft.aufirst=H.&rft.date=2011&rft.title=Melanin+type+and+concentration+determination+using+inverse+model&rft.isbn=9781457718847&rft.genre=proceeding