@article{SterkArens2009, author = {Sterk, Wolfgang and Arens, Christof}, title = {UN-Klimagipfel bereitet Boden f{\"u}r Kopenhagen-Abkommen : Beschl{\"u}sse von Poznan finden geteiltes Echo}, journal = {JIKO Info}, volume = {7}, number = {1}, pages = {1 -- 5}, year = {2009}, language = {de} }