TY  - RPRT
TI  - Federal Information Processing Standards Publication: general purpose 37-position and 9-position interface between data terminal equipment and data circuit-terminating equipment 
PY  - 1985
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS FIPS 143
DO  - 10.6028/NBS.FIPS.143
ER  -