TY - GEN AU - Mitchell, Mary AU - Yang, Yuhwei AU - Ryan, Steve AU - Martin, Bryan C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1990-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.90-4241 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1990 TI - Data model development and validation for product data exchange: ER -