TY - RPRT TI - Anticorrelated seismic velocity anomalies from post-perovskite in the lowermost mantle AU - Alexander R. Hutko AU - T. Lay AU - Justin Revenaugh AU - E.J. Garnero PY - 2008 DO - 10.1126/science.1155822 UR - https://pubs.usgs.gov/publication/70000519 ID - 70000519 ER -