TY  - RPRT
TI  - NIST STEP working form programmer's reference 
AU  - Clark, Stephen Nowland
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 4353
DO  - 10.6028/NIST.IR.4353
ER  -