- Article in journal2003. Microevolutionary trends in the dentition of the red fox (Vulpes vulpes). Journal of Zoological Systematic and Evolutionary Research 41 : 47-56.
- Article in journal2003. Daily patterns and duration of wolf activity in the Białowieża Forest, Poland. Journal of Mammalogy 84 : 243-253. PDF
- Article in journal2003. Selection of den, rendezvous, and resting sites by wolves in the Białowieża Forest, Poland. Canadian Journal of Zoology 81 : 163-167. PDF
- Article in journal2003. Spatiotemporal segregation of wolves from humans in the Białowieża Forest (Poland). The Journal of Wildlife Management 67 : 706-716. PDF
- Article in journal2003. Morphometric variation of the common shrew, Sorex araneus, in different habitats. Mammalia 68 : 225-231.
- Article in journal2003. The list of chromosome races of the common shrew Sorex araneus . Mammalia 68 : 169-178.
- Article in journal2003. Wolf pack territory marking in the Białowieża Primeval Forest (Poland). Behaviour 140 : 635-648. PDF
- Popular article2003. Pozyskanie borsuków w Polsce. Łowiec Polski 12 : 16-18. PDF
- Popular article2003. Żubry w Rumunii. Parki Narodowe 3 : 15-16.
- Popular article2003. Barro Colorado – wyspa na Kanale Panamskim. Parki Narodowe 2 : 31-33.