@book{Hegewald1976,
  author    = {Hegewald, Ulf},
  title     = {Ulf Hegewald, Schaupl{\"a}tze 1974 - 76 : 10 August 1976 / Hrsg.: Neue Galerie Sammlung Ludwig, Aachen. Red. u. Gestaltung: Wolfgang Becker ...},
  address   = {Aachen},
  pages     = {ca. 100 S. : {\"u}berw. Ill.},
  year      = {1976},
  language  = {de}
}
@book{Hegewald1989,
  author    = {Hegewald, Ulf},
  title     = {Ulf Hegewald : Skulpturen aus Ton 1985 - 89 / Text: Wolfgang Becker. Gestaltung: Ulf Hegewald},
  address   = {Aachen},
  pages     = {91 S. : {\"u}berw. Ill.},
  year      = {1989},
  language  = {de}
}
@book{Hegewald1987,
  author    = {Hegewald, Ulf},
  title     = {Ulf Hegewald / hrsg. von Marianne Hennemann},
  publisher = {Galerie Hennemann},
  address   = {Bonn},
  isbn      = {3-88482-032-X},
  pages     = {88 S. : {\"u}berw. Ill.},
  year      = {1987},
  language  = {de}
}
@book{Hegewald1991,
  author    = {Hegewald, Ulf},
  title     = {Plastiken 91 / Xylon, Museum + Werkst{\"a}tten},
  address   = {Schwetzingen},
  pages     = {34 S. : {\"u}berw. Ill.},
  year      = {1991},
  language  = {de}
}
@book{Hegewald1999,
  author    = {Hegewald, Ulf},
  title     = {Ziegelfeld am Keramion, Frechen ; 16.5.1999 - 30.9.2000, Keramion, Museum f{\"u}r zeitgen{\"o}ssische keramische Kunst},
  address   = {Frechen},
  pages     = {95 S. : zahlr. Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{Hegewald1995,
  author    = {Hegewald, Ulf},
  title     = {Protokolle - F{\"u}nf Projekte im {\"O}ffentlichen Raum / hrsg. von Ulf Hegewald},
  publisher = {Eigenverl.},
  address   = {Aachen},
  pages     = {72 S : zahlr. Ill.},
  year      = {1995},
  language  = {de}
}