TY  - RPRT
TI  - Sharpness of upper-mantle discontinuities determined from high-frequency reflections
AU  - H.M. Benz
AU  - J.E. Vidale
PY  - 1993
DO  - 10.1038/365147a0
UR  - https://pubs.usgs.gov/publication/70017978
ID  - 70017978
ER  -