TY  - RPRT
TI  - Field spectroanalytical laboratory for servicing prospecting parties
AU  - E.A. Ratsbaum
AU  - V.P. Sokoloff
PY  - 1939
DO  - 10.3133/ofr4821a
UR  - https://pubs.usgs.gov/publication/ofr4821A
ID  - ofr4821A
ER  -