[1]
Bedjanič, M. et al. 1999. A contribution to the knowledge of the dragonfly fauna of broader area along Drava R. between Ptuj and Središče ob Dravi. Natura Sloveniae. 1, 1 (Dec. 1999), 45–70. DOI:https://doi.org/10.14720/ns.1.1.45-70.