Gestures in Geology: The Roles of Spatial Skills, Expertise, and Communicative Context. - Lynn S. Liben; Adam E. Christensen; Kim A. Kastens (Spatial Cognition, 2010)

Identifying Locations and Directions on Field and Representational Mapping Tasks: Predictors of Success. - Lynn S. Liben; Lauren J. Myers; Adam E. Christensen (Spatial Cogn. Comput., 2010)