TY  - RPRT
TI  - A sharp and flat section of the core-mantle boundary
AU  - J.E. Vidale
AU  - H.M. Benz
PY  - 1992
DO  - 10.1038/359627a0
UR  - https://pubs.usgs.gov/publication/70017117
ID  - 70017117
ER  -