- Article in journal1988. Variability of the skull shape in hybrids between European bison and domestic cattle. Acta Theriologica 33 : 147-186.
- Popular article1988. Osiągnięcia i perspektywy restytucji żubra Bison bonasus w ZSRR. Chrońmy Przyrodę Ojczystą 3 : 80-86.
- Article in journal1988. Winter and early spring food of some carnivores in the Białowieża National Park, eastern Poland. Acta Theriologica 33 : 57-65.
- Article in journal1988. Atlas rozmieszczenia sów Strigiformes w Polsce. Studia Naturae, ser. A 32 : 1-153.
- Article in journal1988. Hypertrophie der Hornscheide am Schnabel eines Waldkauzes /Strix aluco/ aus dem Waldkomplex Puszcza Białowieska /VR Polen/ /Aves, Strigiformes, Strigidae/. Zool. Abh. Mus. Tierkd. Dresden 44 : 25-26.
- Article in journal1988. Recenzja: Sterling K.B. (ed.) 'An international history of mammalogy'. Eastern Europe and Fenoscandia, Vol. 1. Kosmos A 37 : 123-124.
- Book chapter1988. Morphological variations of the first upper molar in the genus Martes (Carnivora, Mustelidae). In: Proceedings of the VIIth International Symposium on Dental Morphology. Eds. Russell, D. E.. Paris : 241-254.
- Article in journal1988. Haematological values in the serotine bat, Eptesicus serotinus /Schreber, 1774/. In: Atlas rozmieszczenia ssaków w Polsce. Eds. Pucek Z. Acta Theriologica 33 PWN, Warszawa : 545-553.
- Article in journal1988. The number of karyotypic variants in the common shrew (Sorex araneus). Acta Theriologica 33 : 467-475.
- Popular article1988. Łasica zimą. Przyroda Polska 1 : 13.
