TY - RPRT TI - Proposed recommended practice for the representation of schematic symbols in STEP AP 210 (ISO 10303-210) AU - Stori, James AU - Thurman, Tom R AU - Lanning, Craig AU - Benda, Mike PY - 2015 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST GCR 15-990 DO - 10.6028/NIST.GCR.15-990 ER -