Spectral fatigue analysis for offshore structures / [by H. Karadeniz, S. van Manen, A. Vrouwenvelder]Fatigue reliability analysis for offshore structures : summary report / [by H. Karadeniz, S. van Manen, A. Vrouwenvelder]Spectral analysis and stochastic fatigue reliability calculation of offshore steel structures : report on offshore structural analysis / by H. Karadeniz