TY  - GEN
AU  - O'Brian, Thomas
AU  - Saunders, Robert
AU  - Parr, Albert
AU  - Early, E
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  -