Lateral variations of mantle transition-zone discontinuities
Songqiao Shawn Wei, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, Peter M Shearer, University of California, San Diego, Scripps Institution of Oceanography, La Jolla, United States and Janine S Buehler, University of California San Diego, La Jolla, CA, United States
