Shawn CP, Robel RJ, Kemp K. Nutrient and energy characteristics of invertebrates from two locations in Kansas. The Prairie Naturalist. 1999;31:173 -186. Available at: https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1348&context=tpn#page=48.

Robel RJ, Desjardins CA, Kemp KE. Nutrient and energetic characteristics of grasshoppers of different life stages. The Prairie Naturalist. 1998;30:37 -48. Available at: https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1354&context=tpn#page=40.

O'Leske DL, Robel RJ, Kemp KE. Fall point counts: Time of day affects numbers and species of birds counted. Transactions of the Kansas Academy of Science. 1997;100:94 -100. doi:10.2307/3627996.

Shuman TW, Robel RJ, Kemp KE, Zimmerman JL. Time budgets of confined nothern cardinals and Harris' sparrows in flocks and differences in observer data. Journal of Field Ornithology. 1992;63:129 -137. doi:http://www.jstor.org/stable/4513677.

Shuman TW, Robel RJ, Zimmerman JL, Kemp KE. Variance in digestive efficiencies of four sympatric avian granivores. Auk. 1989;106:324 -326. doi:http://www.jstor.org/stable/4087728.

Shuman TW, Robel RJ, Dayton AD, Zimmerman JL. Apparent metabolizable energy content of foods used by mourning doves. Journal of Wildlife Management. 1988;52:481 -483. doi:10.2307/3801595.

Robel RJ, Morrow ME. Feeding by bobwhites on sprouting corn reduced by bendiocarb. Transactions of the Kansas Academy of Science. 1987;90:35 -40. doi:10.2307/3628109.

Robel RJ, Arruda SM, Morrow ME, O'Neill DH. Chronic effects of a prescribed field application of a carbamate insecticide on bobwhites. The World Pheasant Association. 1985;10:47 -64.

Hazelton PK, Robel RJ. Preferences and influence of paired food items on energy intake of American robins and gray catbirds. Journal of Wildlife Management. 1984;48:198 -202. doi:10.2307/3808471.