Nicholson, B., D. Meyer, S. Nicholson, and S. Hamilton. "The function of ice-gliders and their distribution in time and space across the Northern Plains and Parklands." Plains Anthropologist (2003).

Nicholson, B., D. Meyer, S. Nicholson, and S. Hamilton. "The function of ice-gliders and their distribution in time and space across the Northern Plains and Parklands." Plains Anthropologist (2003).