Irreducible Topological Components of an Arbitrary Boolean Truth Function and Generation of Their Minimal Coverings. - Alan Natapoff (J. ACM, 1967)

Three dimensional spatial memory and learning in real and virtual environments. - Charles M. Oman; Wayne L. Shebilske; Jason T. Richards; Travis C. Tubré; Andrew C. Beall; Alan Natapoff (Spatial Cogn. Comput., 2000)

Influence of perspective-taking and mental rotation abilities in space teleoperation. - M. Alejandra Menchaca-Brandan; Andrew Menching Liu; Charles M. Oman; Alan Natapoff (HRI, 2007)