TY  - RPRT
TI  - Beryllium content of American coals
AU  - Taisia Maximovna Stadnichenko
AU  - Peter Zubovic
AU  - Nola B. Sheffey
PY  - 1961
DO  - 10.3133/b1084k
UR  - https://pubs.usgs.gov/publication/b1084K
ID  - b1084K
ER  -