@Book{x,
  title =        "The {E}x{C}e{L}e{N}t 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}",
}
