TY  - RPRT
TI  - The total unsharpness in radiography.
AU  - P Spiegler
AU  - A Norman
PY  - 1973
DO  - 10.1088/0031-9155/18/6/312
UR  - https://pubmed.ncbi.nlm.nih.gov/4778452/
ID  - 4778452
ER  -