?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Alexandra+Ioana&rft.au=+Bucur+Alexandra+Ioana&rft.aulast=Bucur&rft.isbn=978-963-306-411-5&rft.date=2015&rft.title=Improved+electrical+response+in+GdMnO3+doped+(K%2C+Na)NbO3+piezoelectric+speaker&rft.genre=proceeding