Do-Hwan Kim and Roberto Leon, Probabilistic Characteristics of older PR Frames in the Mid-America Earthquake Region. journal = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2011, vol. 59(11). 728 - 737 [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/3793.