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Professor Donald V. Helmberger，Division of Geological and Planetary Sciences at California Institute of Technology（图）
Professor Donald V. Helmberger Division of Geological and Planetary Sciences at California Institute of Technology
2014/4/8
Professor of Geophysics B.S., University of Minnesota, 1961; M.S., University of California (San Diego), 1965; Ph.D., 1967. Assistant Professor, Caltech, 1970-74; Associate Professor, 1974-79; Profess...