TY - GEN AU - Samuel J Schneider C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1979-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-1963 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Materials research for the clean utilization of coal ::quarterly progress report : July- September 1979 ER -