Gromysz-Kałkowska, K., Szubartowska, E., Bieńko, M. (1994): The role of millipedes (Diplopoda) in nature and agriculture. Przeglad Zoologiczny, 38: 25-34.
Gromysz-Kałkowska, K., Tracz, H. (1983):Thermal behavior of Proteriulus fuscus (Am Stein) and Cylindroiulus frisius (Verhoeff) (Diplopoda). Annals of Warsaw Agricultural University SGGW, Forestry and Wood Technology, 30: 27-34.