?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Kr%C3%BCepl%2C+Bernhard+%3Chttp%3A%2F%2Fwww2009.eprints.org%2Fview%2Fauthor%2FKr%3DFCepl%3D3ABernhard%3D3A%3D3A.html%3E&rft.aulast=Kr%C3%83%C2%BCepl&rft.aufirst=Bernhard&rft.date=April+2009&rft.title=A+Flight+Meta-Search+Engine+with+Metamorph&rft.genre=proceeding