TY  - RPRT
TI  - Optimal solutions to a linear inverse problem in geophysics.
AU  - T H Jordan
AU  - J N Franklin
PY  - 1971
DO  - 10.1073/pnas.68.2.291
UR  - https://pubmed.ncbi.nlm.nih.gov/16591902/
ID  - 16591902
ER  -