[1]
S. I. Tarasov and O. N. Kabakov, “Two new species of Onthophagus (Coleoptera: Scarabaeidae) from Indochina, with a discussion of some problems with the classification of Serrophorus and similar subgenera”, Zootaxa, vol. 2344, no. 1, pp. 17–28, Jan. 2010.