TY - RPRT U1 - Forschungsbericht A1 - Dalkmann, Holger A1 - Bongardt, Daniel A1 - Rottmann, Katja A1 - Hutfilter, Sabine T1 - Review of voluntary approaches in the European Union : feasibility study on demonstration of voluntary approaches for industrial environmental management in China ; activity 4, final report Y1 - 2005 PB - Wuppertal Institute for Climate, Environment and Energy CY - Wuppertal PB - Wuppertal Institute for Climate, Environment and Energy CY - Wuppertal ER -