Grebennikov, V. V. ., and A. B. . Smith. “A New Hypothesis on the Evolution of the Hybosorid Beetle Capacity to Conglobate Their Bodies into a Tight Ball (Coleoptera: Scarabaeoidea)”. Fragmenta Entomologica, vol. 53, no. 2, Nov. 2021, pp. 299-10, doi:10.13133/2284-4880/570.