?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Widayanti%2C+&rft.aulast=Widayanti&rft.aufirst=+&rft.date=25+March+2009&rft.atitle=RAGAM+POLARITON+PERMUKAAN+PADA+BAHAN+FERROELEKTRIK+BTO+(Surface+Polariton+Modes+In+Ferroelectric+Materials+BTO)&rft.title=%2FJurnal%2FKaunia%2FVolume+4%2C+No.+1%2C+April+2008%2F&rft.genre=article