TY  - RPRT
TI  - A new luminoscope for field use
AU  - E.A. Sergeev
AU  - V.P. Sokoloff
PY  - 1946
DO  - 10.3133/ofr4821d
UR  - https://pubs.usgs.gov/publication/ofr4821D
ID  - ofr4821D
ER  -