TY - GEN AU - Schneider, Samuel J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1981-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.81-2288 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1981 TI - Materials research for the clean utilization of coal ::quarterly progress report January - March 1981 ER -