TY  - RPRT
TI  - Expanding-aperture annular array.
AU  - D R Dietz
AU  - S I Parks
AU  - M Linzer
PY  - 1979
DO  - 10.1177/016173467900100105
UR  - https://pubmed.ncbi.nlm.nih.gov/575813/
ID  - 575813
ER  -