1. Dynamics of Structures;Clough,1975
2. Fundamentals of Earthquake Engineering;Newmark,1971
3. Die Methode der Antwortspektren aus der Sicht der probabilistischen Tragwerksdynamik;Pfaffinger,1979
4. Outline of Dynamic Analysis for Piping Systems;Grodis;Nuclear Engineering and Design,1979
5. Probability Concepts in Earthquake Engineering. Applied Mechanics in Earthquake Engineering;Ang,1974