Development of Wild Indicators for Freshwater Wetlands and Waterways Provisional Indicators Noble D. Spiral / 2008 / Engelsk
Evaluation of Species Coverage and Precision Using the BBS Indexing Method Joys A.C. Spiral / 2005 / Engelsk
Investigation of the Effectiveness of Rehabilitation of Birds as Shown by Ringing Recoveries Joys A.C. Spiral / 2005 / Engelsk
