TY - BOOK AU - Jones,Paul Roy,III TI - Seismic ray trace techniques applied to the determination of crystal structures across the Peru continental margin and Nazca plate at 9 S. latitude PY - 1978/// CY - Corvallis, Oregon PB - Oregon State University KW - Plate tectonics KW - Peru N1 - Thesis (Ph.D.) - Oregon State University, 1978 ER -