[1]
Poulsen, M. , Madsen, R.V.E. , Sørensen, S.B.F. , Hansen, T.B. , Gottschalk, A. , Linder, A.C., Alstrup, A.K.O. , Pagh, S. , Jensen, T.H. و Pertoldi, C. 2021. Enrichment study in three captive polar bears (Ursus maritimus) at Aalborg Zoo. Genetics & Biodiversity Journal . 5, 3 (2021), 97–106. DOI:https://doi.org/10.46325/gabj.v5i3.149.