@article{TurnerPingelSteyrleuthneretal.2011,
  author    = {Sarah T. Turner and Patrick Pingel and Robert Steyrleuthner and Edward J. W. Crossland and Sabine Ludwigs and Dieter Neher},
  title     = {Quantitative analysis of bulk heterojunction films using linear absorption spectroscopy and solar cell performance},
  journal   = {Advanced functional materials},
  volume    = {21},
  number    = {24},
  pages     = {4640 -- 4652},
  doi       = {10.1002/adfm.201101583},
  year      = {2011},
}