TY  - GEN
AU  - Richard E Swing
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1975-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.IR.75-699
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1975
TI  - The calibration of photographic edges at NBS:
ER  -