TY - RPRT TI - Issues and recommendations for a STEP application protocol framework AU - Kramer, Thomas R AU - Palmer, Mark E AU - Feeney, Allison Barnard PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4755 DO - 10.6028/NIST.IR.4755 ER -