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Global variations of Earth's 520- and 560-km discontinuities https://t.co/u4DRX1WWtH via @ElsevierPhysics #geophysics https://t.co/HEMfgHG0Yg
Global variations of Earth's 520- and 560-km discontinuities https://t.co/u4DRX1WWtH via @ElsevierPhysics #geophysics https://t.co/HEMfgHG0Yg