TY  - RPRT
TI  - The NIST STEP class library (STEP into the future) 
AU  - McLay, Michael J
AU  - Morris, Katherine C
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 4411
DO  - 10.6028/NIST.IR.4411
ER  -