TY - GEN AU - Kohout, Robert C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1992-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.4793 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1992 TI - Considerations for the transformation of STEP physical files: ER -