@article{Vogel1995,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {On quasivarieties generated by - algebras},
  year      = {1995},
  language  = {en}
}
@article{VogelMarkiPoeschel1996,
  author    = {Vogel, Hans-J{\"u}rgen and Marki, Laszlo and P{\"o}schel, Reinhard},
  title     = {Contributions to general algebra and categories},
  year      = {1996},
  language  = {en}
}
@article{Vogel1997,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {Relations as morphisms of a certain monoidal category},
  year      = {1997},
  language  = {en}
}
@article{Vogel1998,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {On functors between certain monoidal categories},
  year      = {1998},
  language  = {en}
}
@book{Vogel1998,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {On morphisms between partial algebras},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 13},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {27 Bl.},
  year      = {1998},
  language  = {en}
}
@article{Vogel1999,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {On properties of dht -symmetric categories},
  year      = {1999},
  language  = {en}
}
@article{Vogel1999,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {Halfdiagonal-halfterminal-symmetric monoidal categories with inversions},
  year      = {1999},
  language  = {en}
}
@article{Vogel1999,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {On morphisms between partial algebras},
  year      = {1999},
  language  = {en}
}