1. Extraction of dimensions from radiographs;Fishman;Mater Eval,1981
2. A general approach to the design of radiation gauges;Notea;Nucl Tech,1974
3. Point spread-function, line spread function, and modulation transfer function;Rossman;Radiology,1969
4. Operational methods for linear systems;Kaplan,1961
5. Industrial Radiology: Theory and Practice;Halmshaw,1982