Brysbaert et al. 2011

Brysbaert, Marc, Matthias Buchmeier, Markus Conrad, Arthur M Jacobs, Jens Bölte & Andrea Böhl. 2011. The word frequency effect: A review of recent developments and implications for the choice of frequency estimates in German. Experimental Psychology 58. 412-424.

@article{Brysbaert2011,
  author  = {Brysbaert, Marc and Buchmeier, Matthias and Conrad, Markus and Jacobs, Arthur M and Bölte, Jens and Böhl, Andrea},
  journal = {Experimental Psychology},
  pages   = {412-424},
  title   = {The word frequency effect: A review of recent developments and implications for the choice of frequency estimates in German},
  volume  = {58},
  year    = {2011}
}