TY  - RPRT
TI  - Unsuccessful initial search for a midmantle chemical boundary with seismic arrays
AU  - J.E. Vidale
AU  - G. Schubert
AU  - P.S. Earle
PY  - 2001
DO  - 10.1029/2000gl012428
UR  - https://pubs.usgs.gov/publication/70023962
ID  - 70023962
ER  -