@phdthesis{Casu2002,
  author    = {Casu, Maria Benedetta},
  title     = {Electronic structure of heterocyclic organic semiconductors},
  publisher = {Mensch \& Buch Verl.},
  address   = {Berlin},
  isbn      = {3-89820-309-3},
  pages     = {101 S.},
  year      = {2002},
  language  = {en}
}