TY  - RPRT
TI  - Concentration of germanium in the ash of American coals, a progress report
AU  - Taisia Maximovna Stadnichenko
AU  - K. J. Murata
AU  - Peter Zubovic
AU  - E.L. Hufschmidt
PY  - 1953
DO  - 10.3133/cir272
UR  - https://pubs.usgs.gov/publication/cir272
ID  - cir272
ER  -