TY - BOOK AU - Porter, L. D., coaut. TI - Processed data from the San Juan Bautista 101 / 156 separat-ion bridge and the San Juan Bautista freefield records fro-m the Coyote Lake Earthquake 6 august 1979 / by L. D. Porte-r ... [et al] CY - Menlo Park, Calif. : Geological Survey ER -