@article{HorbeltEbertUlbikaiteetal.2016,
  author    = {Renate Horbelt and Stefanie Ebert and Vaidvile Ulbikaite and Giso Hahn and Reinhart Job and Barbara Terheiden},
  title     = {Al-density variation as one driving force for void formationin PERC solar cells},
  journal   = {Physica Status Solidi (RRL)},
  volume    = {10},
  number    = {7},
  pages     = {515 -- 519},
  doi       = {10.1002/pssr.201600078},
  year      = {2016},
}