@article{KroescheCrescenziHoffbaueretal.1994,
  author    = {Christian Kr{\"o}sche and Orlando Crescenzi and Wilfried Hoffbauer and Martin Jansen and Alessandra Napolitano and Guiseppe Prota and Martin G. Peter},
  title     = {Synthesis of dopamines labelled with 13C in the alpha- or beta-side chain positions, and their application for structure studies on melanins by solid state NMR spectroscopy},
  year      = {1994},
}