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Found 2 results

1998

Seismic evidence for an inner core transition zone
Song, X. D.; Helmberger, D. V.
Science
(1998)
Issue:
5390
Pages:
924-927
Volume:
282

1997

PKP differential travel times: Implications for 3-D lower mantle structure
Song, X. D.; Helmberger, D. V.
Geophysical Research Letters
(1997)
Issue:
15
Pages:
1863-1866
Volume:
24