TY - BOOK ED - Strong-motion Instrumental Data On The San Fernando Earthquake Of February 9 ED - Hudson, D. E. TI - Research laboratory, division of engineering and applied science, california institute of technology; seismological field survey, national oceanic and atmospheric administration, 1971 AV - QE535.2C3 S87 KW - Terremotos KW - Estados Unidos KW - California KW - San Fernando KW - 1971 ER -