@article{DeneckeMruczek2000,
  author    = {Denecke, Klaus-Dieter and Mruczek, Krysztyna},
  title     = {P-compatible Hypersubstitutions},
  year      = {2000},
  language  = {en}
}
@article{Denecke2000,
  author    = {Denecke, Klaus-Dieter},
  title     = {Solid polynomial varieties of semigroups which are definable by identities},
  isbn      = {3-85366-951-4},
  year      = {2000},
  language  = {en}
}
@article{DeneckeKoppitz2000,
  author    = {Denecke, Klaus-Dieter and Koppitz, J{\"o}rg},
  title     = {Essential variables in weak hypersubstitutions},
  isbn      = {3-8265- 7983-6},
  year      = {2000},
  language  = {en}
}
@article{Denecke2000,
  author    = {Denecke, Klaus-Dieter},
  title     = {Generalized hypersubstitutions and strongly solid varieties},
  isbn      = {3-8265- 7983-6},
  year      = {2000},
  language  = {en}
}
@article{Denecke2000,
  author    = {Denecke, Klaus-Dieter},
  title     = {P-compatible hypersubstitutions and M_P -solid varieties},
  year      = {2000},
  language  = {en}
}
@article{DeneckeMahdavi2000,
  author    = {Denecke, Klaus-Dieter and Mahdavi, Kazem},
  title     = {The order of normal form hypersubstitutions of type 2},
  year      = {2000},
  language  = {en}
}
@article{Denecke2000,
  author    = {Denecke, Klaus-Dieter},
  title     = {Fluid, unsolid, and completely unsolid varieties},
  year      = {2000},
  language  = {en}
}
@article{DeneckeArworn2000,
  author    = {Denecke, Klaus-Dieter and Arworn, Srichan},
  title     = {Intervals defined by M-solid varieties},
  isbn      = {3-8265- 7983-6},
  year      = {2000},
  language  = {en}
}
@article{Denecke2000,
  author    = {Denecke, Klaus-Dieter},
  title     = {The galois correspondence between subvariety lattices and monoids of hypersubstitutions},
  year      = {2000},
  language  = {en}
}
@article{DeneckeLeeratanavalee2000,
  author    = {Denecke, Klaus-Dieter and Leeratanavalee, Sorasak},
  title     = {Generalized hypersubstitutions and strongly solid varieties},
  isbn      = {3-8265- 7983-6},
  year      = {2000},
  language  = {en}
}