TY  - RPRT
TI  - Variable density linear acoustic inverse problem.
AU  - M Moghaddam
AU  - W C Chew
PY  - 1993
DO  - 10.1177/016173469301500305
UR  - https://pubmed.ncbi.nlm.nih.gov/8879095/
ID  - 8879095
ER  -