Hits 1-2 within 2 documents
Hits 1-2 within 2 documents
Author(s): Petring, Alexander; Merkel, Wolfgang
Source: WZB-Mitteilungen, 134 (2011). p.30-33
Author(s): Höpner, Martin; Petring, Alexander; Seikel, Daniel; Werner, Benjamin.- 2009. 45p.