TY  - RPRT
TI  - An improved photographic edge-artifact 
AU  - Smallwood, William R
AU  - Swing, Richard E
PY  - 1976
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 76-1129
DO  - 10.6028/NBS.IR.76-1129
ER  -