TY  - GEN
AU  - Thomas O'Brian
AU  - Robert Saunders
AU  - Albert Parr
AU  - E Early
C2  - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1998-07-01 00:07:00
LA  - en
PB  - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1998
TI  - Standard Reference Materials: Film Step Tablet Standards of Diffuse Visual Transmission Density--SRM 1001 and SRM 1008
ER  -