1. National Research Council Committee on Spatial Thinking. Learning to think spatially. Washington DC: NRC; 2006.
2. Comparing the sexes on spatial abilities: Map-use skills;Gilmartin;Annals of the Association of American Geographers,1984
3. Spatial behavior: a geographic perspective;Golledge,1997
4. Lohman DF. Spatial ability: A review and reanalysis of the correlational literature. Technical report 8. Stanford University, Aptitude Research Project, School of Education; 1979.
5. Sex-related differences and similarities in geographic and environmental spatial abilities;Montello;Annals of the Association of American Geographers,1999