Learning Geographic Information from a Map and Text: Learning Environment and Individual Differences. - Robert Earl Lloyd; Rick L. Bunch (Cartogr. Int. J. Geogr. Inf. Geovisualization, 2010)

Maps and Biased Familiarity: Cognitive Distance Error and Reference Points. - Robert Earl Lloyd; David Patton (Cartogr. Int. J. Geogr. Inf. Geovisualization, 2011)