1. Managed realignment in the UK - the first 5 years of colonization by birds;Atkinson;Ibis,2004
2. Global activities on the conservation, management and sustainable use of migratory waterbirds: an integrated flyway/ecosystem approach;Boere;Wader Study Group Bull.,2003
3. Conservation policies and programmes affecting birds
4. Van Dam , R. Gitay , H. Finlayson , M. 2001 Climate Change and Wetlands: Impacts, Adaptation and Mitigation http://www.ramsar.org/cop8_doc_11_e.htm