F. - T.  Krell, Chung, A. Y. C., DeBoise, E., Eggleton, P., Giusti, A., Inward, K., and Krell-Westerwalbesloh, S., ?Quantitative extraction of macro-invertebrates from temperate and tropical leaf litter and soil: efficiency and time-dependent taxonomic biases of the Winkler extraction?, Pedobiologia, vol. 49, pp. 175-186, 2005.

F. - T.  Krell and Krell-Westerwalbesloh, S., ?First record of the genus Eusaproecius branco from West-Africa (Col., Scarabaeidae, Coprinae)?, Entomologist's Monthly Magazine, vol. 139, pp. 13-14, 2003.

F. - T.  Krell, Krell-Westerwalbesloh, S., Weiss, I., Eggleton, P., and K. Linsenmair, E., ?Spatial separation of Afrotropical dung beetle guilds: a trade-off between competitive superiority and energetic constraints (Coleoptera: Scarabaeidae)?, Ecography, vol. 26, pp. 210-222, 2003.

F. - T.  Krell, Mahiva, V. S., Kouakou, C., N'goran, P., Krell-Westerwalbesloh, S., Newman, D. H., Weib, I., and Doumbia, M., ?Human influence on the dung fauna in Afrotropical grasslands (Insecta: Coleoptera)?, in Proceedings of the 5th International Symposium on Tropical Biology, Museum Koenig, Bonn, Germany, 2005, pp. 133-139.

S.  Krell-Westerwalbesloh, Krell, F. - T., and K. Linsenmair, E., ?Diel separation of Afrotropical dung beetle guilds - avoiding competition and neglecting resources (Coleoptera : Scarabaeoidea)?, Journal of Natural History, vol. 38, pp. 2225-2249, 2004.