@Book{x,
  title =        "The {ExCeLeNt} Program",
  booktitle =    "The {ExCeLeNt} Program",
}

@Book{x,
  title =        "{3. [i.e., drei] Fachtagung {\"u}ber
                 Programmiersprachen, Kiel, 5.--7. Marz 1974. (German)
                 [Third Technical Conference on Programming Languages,
                 Kiel, 5--7 March, 1974]}",
}

@Book{x,
  title =        "Logic of programs: workshop, {ETH Z{\"u}rich,
                 May--July 1979}",
}

@Proceedings{x,
  title =        "{Advances in database technology, EDBT '88:
                 International Conference on Extending Database
                 Technology, Venice, Italy, March 14--18, 1988,
                 proceedings}",
}

@Proceedings{x,
  title =        "{CONPAR} 90-{VAPP IV}: Joint International Conference
                 on Vector and Parallel Processing, {Z}{\"u}rich,
                 Switzerland, September 10--13, 1990: proceedings",
}

@Proceedings{x,
  title =        "{CONPAR 90-VAPP IV: Joint International Conference on
                 Vector and Parallel Processing, Z{\"u}rich,
                 Switzerland, September 10--13, 1990: proceedings}",
}

@Proceedings{x,
  title =        "{Advances in computing and information --- ICCI '90}",
}

@Book{x,
  title =        "{Text understanding in LILOG: integrating
                 computational linguistics and artificial intelligence:
                 final report on the IBM Germany LILOG-project}",
}

@Book{x,
  title =        "{Dynamic $3$D Imaging: DAGM 2009 Workshop, Dyn3D 2009,
                 Jena, Germany, September 9, 2009. Proceedings}",
}
