@article{KoetzBogenHeinzeetal.1998,
  author    = {Koetz, Joachim and Bogen, Iris and Heinze, Ute and Heinze, Thomas and Klemm, D. and Lange, Silke and Kulicke, Werner-Michael},
  title     = {Kolloideigenschaften statistisch, blockartig und regioselektiv substituierter Carboxymethylcellulosen},
  issn      = {0031-1340},
  year      = {1998},
  language  = {de}
}
@article{KoetzBogenHeinzeetal.2001,
  author    = {Koetz, Joachim and Bogen, Iris and Heinze, Thomas and Heinze, Ute and Kulicke, Werner-Michael and Lange, Silke},
  title     = {Pecularities in the physico-chemical behaviour of non-statistically substituted carboxymethylcelluloses},
  year      = {2001},
  language  = {en}
}