1. Ádám, L., Beetles (Coleoptera) inhabeting sheep droppings in dry pastures of Hungary, Folia Entomol. Hung., 1986, vol. 47, nos. 1–2, pp. 5–12.
2. Berlov, E.Ya., 6. Subfam. Aphodiinae, in Opredelitel’ nasekomykh Dal’nego Vostoka SSSR (Keys to Insects of the Far East of the USSR), vol. III: Zhestkokrylye, ili zhuki. Ch. 1 (Coleoptera, or Beetles. Part 1), Leningrad: Nauka, 1989, pp. 387–402.
3. Breymeyer, A., Analysis of a sheep pasture ecosystem in the Pieniny Mountains (the Carpathians), XI. The role of coprophagous beetles (Coleoptera, Scarabaeidae) in the utilization of sheep dung, Ekol. Pol., 1974, vol. 22, nos. 3–4, pp. 617–634.
4. Chalmandrier, L., Münkemüller, T., Gallien, L., de Bello, F., Mazel, F., Lavergne, S., and Thuiller, W., A family of null models to distinguish between environmental filtering and biotic interactions in functional diversity patterns, J. Veg. Sci., 2013, vol. 24, no. 5, pp. 853–864.
5. Colwell, R.K. and Futuyma, D.J., On the measurement of niche breadth and overlap, Ecology, 1971, vol. 52, no. 4, pp. 567–576.