TY  - RPRT
TI  - An automatic micromuffle for the determination of ash in carbonaceous material
AU  - Robert Meyrowitz
AU  - C. J. Massoni
PY  - 1954
DO  - 10.3133/tei412
UR  - https://pubs.usgs.gov/publication/tei412
ID  - tei412
ER  -