D. Nelson Hyder, Booster, D. E., Sneva, F. A., Sawyer, W. A., and Rodgers, J. B.,
“Wheel-Track Planting on Sagebrush-Bunchgrass Range”,
Journal of Range Management, vol. 14, no. 4, p. 220, 1961.
D. Nelson Hyder, Conrad, C. E., Tueller, P. T., Calvin, L. D., Poulton, C. E., and Sneva, F. A.,
“Frequency Sampling in Sagebrush-Bunchgrass Vegetation”,
Ecology, vol. 44, no. 4, pp. 740 - 746, 1963.