Նմանատիպ նյութեր: Polar bears /
- Polar Bears /
- Polar Bears: Proceedings of the Ninth Working Meeting of the IUCN SSC Polar Bear Specialist Group /
- Bears: their biology and management a selection of papers and dicussion from the second International Conference on Bear Resaerch and Management /
- Bears: their biology and management : a selection of papers from the third International Conference on Bear Research and Management hel at the 54 th Annual Meeting of the American Society of Mammalogists Binghamton, New York, USA and Firs International Thenological Congress Moscow, USSR /
- Polar biology
- Polarization, populism, and the new politics : media and communication in a changing world /