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2. Pardoen G. C. “Imperial County Services Building: Ambient Vibration Test Results ” Dept. of Civ. Engrg. University of Canterbury New Zealand Research Report 79‐14 Dec. 1979.
3. Plunkett A. W. “Three Dimensional Non‐Linear Dynamic Analysis of the Imperial County Services Building El Centro California ” thesis presented to the University of California Irvine in 1982 in partial fulfillment of the requirements for the degree of Master of Science.
4. Rojahn C. and Ragsdale J. T. “Strong Motion Records from the Imperial County Services Building ” Earthquake Engineering Research Institute Reconnaissance Report Imperial County California Earthquake Feb. 1980.