@article{theretrievaleffectivenessofsearchengines,
  title = {The retrieval effectiveness of search engines on navigational queries},
  author = {Lewandowski Dirk},
  year = {2015},
  eprint = {1511.05812},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1511.05812v1},
}