Robertson, J. M., Prince, M. A., Achua, J. K., Carpenter, R. E., Arendt, D. H., Smith, J. P., . . . Summers, C. H. (2015). Nuance and behavioral cogency: How the Visible Burrow System inspired the Stress-Alternatives Model and conceptualization of the continuum of anxiety. Physiol Behav.

Robertson, James M., Melissa A. Prince, Justin K. Achua, Russ E. Carpenter, David H. Arendt, Justin P. Smith, Torrie L. Summers, Tangi R. Summers, and Cliff H. Summers. "Nuance and Behavioral Cogency: How the Visible Burrow System Inspired the Stress-Alternatives Model and Conceptualization of the Continuum of Anxiety." Physiol Behav 2015.

Robertson, James M., et al. "Nuance and Behavioral Cogency: How the Visible Burrow System Inspired the Stress-Alternatives Model and Conceptualization of the Continuum of Anxiety." Physiol Behav 2015.