Konášová, E. (1966): K poznání stejnonožců suchozemských Opárenského údolí. Diplomová práce, Pedagogická fakulta v Ústí nad Labem. Ms., 32 pp.
Kondeva, E.A. (1980): Feeding activity of the millipede Pachyjulus flavipes (C.L. Koch, 1847) (Diplopoda, Pachyjulidae) and its role in the decomposition of leaf litter. Doklady Akademii Nauk SSSR, 254: 1511-1514.
Kondeva, E.A. (1995): Macroarthropod communities in the litter of mixed broadleaved forests in southern Bulgaria. Arthropoda Selecta, 4: 97-106.
Kondeva, E.A. (1998): Consumption and assimilation of beech leaves Fagus sylvatica L. by millipedes Pachyiulus hungaricus (Karsch, 1881) (Diplopoda: Julidae). Acta Zoologica Bulgarica, 50 (1): 89-92.
Kondeva, E.A. (2004):Millipedes on Lozen Mountain. Seasonal activity and migrations in typical plant communities of Bulgaria. Journal of Balkan Ecology, 7: 305-308.
Kondeva, E.A. (2008): Millipedes (Diplopoda) in recreation zones at the foot of Lozen Mountain (Bulgaria). Peckiana, 6: 77. (ve sborníku)