1. Council Directive 92/43/EEC of 21 May 1992 on the Conservation of Natural Habitats and of Wild Fauna and Flora,1992
2. Valuation and Pricing the Biotopes of the Czech. Republic;Sejak,2003
3. Ecosystem services of natural floodplain segment - Luznice river, Czech Republic;Pithart;Flood Recovery Innov. Response Ii,2010
4. Loss-gain calculations in german impact mitigation regulation. Occasional Paper Contributed to BBOPhttp://www.forest-trends.org/documents/files/doc_2404.pdf
5. White Paper on Environmental Liability,2000