TY  - RPRT
TI  - Object reconstruction from focused positron tomograms.
AU  - D Townsend
AU  - C Piney
AU  - A Jeavons
PY  - 1978
DO  - 10.1088/0031-9155/23/2/002
UR  - https://pubmed.ncbi.nlm.nih.gov/643919/
ID  - 643919
ER  -