TY  - JOUR
TI  - Preliminary reference Earth model
AU  - Adam M. Dziewoński
AU  - Don L. Anderson
PY  - 1981
JO  - Physics of The Earth and Planetary Interiors
DO  - 10.1016/0031-9201(81)90046-7
UR  - https://doi.org/10.1016/0031-9201(81)90046-7
ER  -