1. Overcoming unintended consequences of endangered species regulation;Bean;Idaho L. Rev.,2002
2. Volunteers on the political anvil: citizenship and volunteer biodiversity monitoring in three post-communist countries;Bell;Environ. Plan. C: Gov. Policy,2011
3. About Bialowieza National Park;Bialowieza National Park,2007
4. Natura 2000 – possibilities and dilemmas of rural development under the European ecological network;Boltromiuk;Probl. Sustain. Dev.,2010
5. Asking Questions: The Definitive Guide to Questionnaire Design – For Market Research, Political Polls, and Social and Health Questionnaires;Bradburn,2004