Li, X., Giardini, D., & Woodhouse, J. (1991). LARGE-SCALE 3-DIMENSIONAL EVEN-DEGREE STRUCTURE OF THE EARTH FROM SPLITTING OF LONG-PERIOD NORMAL-MODES.
Lua i Stíl Chicago (17ú heag.)Li, X., D. Giardini, agus J. Woodhouse. LARGE-SCALE 3-DIMENSIONAL EVEN-DEGREE STRUCTURE OF THE EARTH FROM SPLITTING OF LONG-PERIOD NORMAL-MODES. 1991.
Lua MLA (9ú heag.)Li, X., et al. LARGE-SCALE 3-DIMENSIONAL EVEN-DEGREE STRUCTURE OF THE EARTH FROM SPLITTING OF LONG-PERIOD NORMAL-MODES. 1991.
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