@article{KumkeDoscheFlehretal.2006,
  author    = {Michael Uwe Kumke and Carsten Dosche and Roman Flehr and Wolfram Trowitzsch-Kienast and Hans-Gerd L{\"o}hmannsr{\"o}ben},
  title     = {Spectroscopic characterization of the artificial siderophore pyridinochelin},
  url       = {http://www.znaturforsch.com/c.htm},
  year      = {2006},
}