@inproceedings{janssen_peeters_langeveld-voss_hal_knol_hummelen_1999, 
  title={Oligomer-fullerene dyads and triads as model compounds for bulk-heterojunction PV cells}, 
  DOI={10.1063/1.59775}, 
  publisher={ASCE}, 
  author={Janssen and Peeters and Langeveld-Voss and Hal and Knol and Hummelen}, 
  year={1999}
  }