TY  - RPRT
TI  - Energy-selective reconstructions in X-ray computerized tomography.
AU  - R E Alvarez
AU  - A Macovski
PY  - 1976
DO  - 10.1088/0031-9155/21/5/002
UR  - https://pubmed.ncbi.nlm.nih.gov/967922/
ID  - 967922
ER  -