Ecological displays for robot interaction: a new perspective. - Robert W. Ricks; Curtis W. Nielsen; Michael A. Goodrich (IROS, 2004)

Snapshots for semantic maps. - Curtis W. Nielsen; Robert W. Ricks; Michael A. Goodrich; David J. Bruemmer; Douglas A. Few; Miles C. Walton (SMC (3), 2004)

Ecological Interfaces for Improving Mobile Robot Teleoperation. - Curtis W. Nielsen; Michael A. Goodrich; Robert W. Ricks (IEEE Trans. Robotics, 2007)