TY  - RPRT
TI  - Materials research for the clean utilization of coal : quarterly progress report April-June 1981
AU  - Schneider, S J
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-2355
DO  - 10.6028/NBS.IR.81-2355
ER  -