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.78-1445 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Materials research for clean utilization of coal ::Quarterly progress report October - December 1977 ER -