1. Standard: Lifetime Extension of Wind Turbines;DNV GL,2016
2. Outline of Investigation for Wind Turbine Generator - Life Time Extension (LTE);UL,2016
3. Strategy for Extending the Useful Lifetime of a Wind Turbine;Megavind,2016
4. Analysing the lifetime of a wind turbine operation past design life;Holzmüller,2016
5. The decision on the time to switch from lifetime extension to repowering;Ziegler,2016