TY - GEN A1 - Mewes, Melanie A1 - Wätzold, Frank A1 - Apeldoorn, Rob van A1 - Varjopuro, Riku A1 - Chmielewski, Tadeusz Jan A1 - Veeneklaas, Frank A1 - Kosola, Marja-Leena T1 - Cost-effectiveness of managing Natura 2000 sites: An exploratory study for Finland, Germany, the Netherlands and Poland Y1 - 2012 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/7430 ER -