TY  - RPRT
TI  - Range of earth structure nonuniqueness implied by body wave observations.
AU  - Wiggins, R. A.
AU  - Mcmechan, G. A.
AU  - Toksoz, M. N.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19730039977
ID  - 19730039977
ER  -