TY - GEN AU - W. D. Iwan,No AU - Iwan,W. D. AU - TI - U.S. STRONG-MOTION EARTHQUAKE INSTRUMENTATION U1 - 624.1762 PY - 1981/// CY - PB - California Institute Of Technology, Pasadena, California KW - Earthquake Engineering -- Congresses KW - Earthquake Resistant Design -- Congresses KW - Buildings -- Earthquake Effects -- Congresses N1 - Sponsored By National Science Foundation ER -