@article{UhlemannSchildeHefeleetal.1994,
  author    = {Uhlemann, Erhard and Schilde, Uwe and Hefele, Heike and Ludwig, Eberhard},
  title     = {Crystal and molecular structure of 2,2'-dihydroxyazobenzene},
  issn      = {0023-4753},
  year      = {1994},
  language  = {en}
}
@article{UhlemannLudwigHefeleetal.1994,
  author    = {Uhlemann, Erhard and Ludwig, Eberhard and Hefele, Heike and Schilde, Uwe},
  title     = {Komplexe von Vanadium und Titan mit 2,2'-Dihydroxy-azobenzen : Kristallstrukturen von 2,2'- Dihydroxy-azobenzenato(2-)oxo-methoxo-methanol-vanadium(V) und {\ae}-Oxo-bis[2,2'-dihy droxy-azobenzenato(2-)]-oxo- vanadium(V)]},
  year      = {1994},
  language  = {de}
}