TY  - RPRT
TI  - Requirements and recommendations for STEP conformance testing 
AU  - Kemmerer, Sharon J
PY  - 1992
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 4743
DO  - 10.6028/NIST.IR.4743
ER  -