TY - GEN AU - Clark, Joseph E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1968-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.9961 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1968 TI - Evaluation of the Brucksch controlled-atmosphere weathering device: ER -