Kohn, M., Knauer, F., Stoffella, A., Schröder, W., & Pääbo, S. (1995). Conservation
genetics of the European brown bear - a study using excremental PCR of nuclear and mitochondrial sequences.
Molecular Ecology, 4(1), 95-103. doi:10.1111/j.1365-294X.1995.tb00196.x.