N. A.  Auerbach, Walker, M. D., and Walker, D. A., ?Effects of roadside disturbance on substrate and vegetation properties in arctic tundra?, Ecological Applications, vol. 7, pp. 218-235, 1997.

M. D.  Walker, ?Arctic Soils and Permafrost: Introduction?, Arctic and Alpine Research, vol. 28, pp. 254-256, 1996.

M. D.  Walker, Walker, D. A., and Auerbach, N. A., ?Plant communities of a tussock tundra landscape in the Brooks Range Foothills, Alaska?, Journal of Vegetation Science, vol. 5, pp. 843-866, 1994.

U.  Schickhoff, Walker, M. D., and Walker, D. A., ?Riparian willow communities on the Arctic Slope of Alaska and their environmental relationships: A classification and ordination analysis?, Phytocoenologia, vol. 32, pp. 145-204, 2002.

M. D.  Walker, Walker, D. A., Everett, K. R., and Short, S. K., ?Steppe vegetation on south-facing slopes of pingos, Central Arctic Coastal Plain, Alaska, USA?, Arctic and Alpine Research, vol. 23, pp. 170-188, 1991.