MGDS References
Tibi, R., D.A. Wiens, H. Shiobara, H. Sugioka and P.J. Shore, "Depth of the 660-km discontinuity near the Mariana Slab from an array of Ocean Bottom Seismographs", Geophysical Research Letters, 33: L02313, 2006, DOI 10.1029/2005GL024523. (View Reference)
