1. Books reviews: Wetland ecology principles and conservation;Leopold;Nat. Areas J.,2002
2. Wetlands;Mitsch,2000
3. A Sand County Almanac;Leopold,1949
4. Wetland Ecology Principles and Conservation;Keddy,2010
5. Sustaining the Worlds Wetlands; Setting Policies and Resolving Conflicts;Smardon,2009