2008DIN EN 50308 Berichtigung 1:2008 Wind turbines - Protective measures - Requirements for design, operation and maintenance; German version EN 50308:2004, Corrigendum to DIN EN 50308 (VDE 0127-100):2005-03; German version CENELEC-Cor. :2005 to EN 50308:2004
2005DIN EN 50308:2005 Wind turbines - Protective measures - Requirements for design, operation and maintenance; German version EN 50308:2004