Wilder, J. D., Kowler, E., Schnitzer, B. S., Gersch, T. M., & Dosher, B. A. (2008). Attention during active visual tasks: Counting, pointing, or simply looking.

Wilder, John D., Eileen Kowler, Brian S. Schnitzer, Timothy M. Gersch, and Barbara A. Dosher. Attention During Active Visual Tasks: Counting, Pointing, or Simply Looking. 2008.

Wilder, John D., et al. Attention During Active Visual Tasks: Counting, Pointing, or Simply Looking. 2008.