Reliability of reinforced concrete structures under fatigue. - Yuri S. Petryna; Daniel Pfanner; Friedhelm Stangenberg; Wilfried B. Krätzig (Reliab. Eng. Syst. Saf., 2002)

An integrated computer model of a solar updraft power plant. - Wilfried B. Krätzig (Adv. Eng. Softw., 2013)