TY - GEN AU - Wachtman, John B C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1981-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.81-2305 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1981 TI - Proceedings, U.S. Department of Commerce Public Workshop on Critical Material Needs in the Aerospace Industry, February 9-10, 1981: ER -