TY - CHAP U1 - Buchbeitrag A1 - Wiesen, Klaus A1 - Teubler, Jens A1 - Rohn, Holger ED - Pehlken, Alexandra T1 - Resource use of two offshore wind farms in the German North Sea T2 - Sustainable material life cycles - is wind energy really sustainable? Y1 - 2013 SP - 49 EP - 58 PB - BIS-Verl. CY - Oldenburg PB - BIS-Verl. CY - Oldenburg ER -