TY - JOUR U1 - Zeitschriftenartikel, nicht wissenschaftlich A1 - Keller, Sarina T1 - Sources of difference : in answer to the article about diverging paths of German and US policies for renewable energies T2 - Energy policy VL - 8 Y1 - 2010 U6 - https://dx.doi.org/10.1016/j.enpol.2009.10.035 DO - https://dx.doi.org/10.1016/j.enpol.2009.10.035 IS - 38 SP - 4741 EP - 4742 ER -