- Article in journal1998. Człowiek i nietoperz: legendy, wierzenia, przesądy. Przegląd Zoologiczny 42 : 157-170.
- Book1998. Predation in vertebrate communities. The Białowieża Primeval Forest as a case study. Springer-Verlag, Berlin
- Article in journal1998. Het succes van de wisent in Białowieża. Nieuwe Wildernis 4 : 16-21.
- Article in journal1998. Speed and actual distances travelled by radiocollared wolves in Białowieża Primeval Forest (Poland). Acta Theriologica 43 : 409-416. DOI: 10.4098/AT.arch.98-38
- Article in journal1998. Home ranges of wolves in Białowieża Primeval Forest, Poland, compared with other Eurasian populations. Journal of Mammalogy 79 : 842-852.
- Book chapter1998. Evolution of social systems in shrews. In: Evolution of Shrews. Mammal Research Institute, Białowieża : 347-406.
- Article in journal1998. Maternal behaviour and juvenile dispersal in the Eurasian lynx. Acta Theriologica 43 : 391-401. DOI: 10.4098/AT.arch.98-37 PDF
- Book chapter1998. Chromosomal evolution: the case of Sorex araneus. In: Evolution of Shrews. Mammal Research Institute, Białowieża : 219-268.
- Article in journal1998. Mitochondrial DNA-RFLP analysis reveals low levels of genetic variation in European bison Bison bonasus. Acta Theriologica Suppl. 5 : 83-87. DOI: 10.4098/AT.arch.98-50
- Book1998. Evolution of shrews. Mammal Research Institute PAS, Białowieża
