@article{LILLEY,
  author = {Lilley, Keith D.},
  interhash = {7088a42aaeb17846a8738a00760f6bf4},
  intrahash = {b1b776a37e62aca4aa9a1c74f5d19793},
  journal = {Transactions of the Institute of British Geographers},
  pages = {296-313},
  title = {Cities of God? Medieval urban forms and their Christian symbolism},
  volume = 29,
  year = 2004
}

@article{LLOYD,
  author = {Lloyd, Christopher D. and Lilley, Keith D.},
  interhash = {0546ec03aeffcd134ad681a34468c039},
  intrahash = {669b96864e3b115a67a5d323489c4243},
  journal = {Annals of the Association of American Geographers },
  number = 1,
  pages = {1-22},
  title = {Cartographic Veracity in Medieval Mapping: Analyzing Geographical Variation in the Gough Map of Great Britain},
  volume = 99,
  year = 2009
}