TY  - RPRT
TI  - Guide specifications and reference specification system 
AU  - Mathey, Robert G
AU  - Clifton, James R
PY  - 1989
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 89-4094
DO  - 10.6028/NIST.IR.89-4094
ER  -