TY  - RPRT
TI  - Diagrams for construction of Model '54 transmission and reflection fluorimeter
AU  - Ernest E. Parshall
AU  - Lewis F. Rader
PY  - 1955
DO  - 10.3133/ofr55130
UR  - https://pubs.usgs.gov/publication/ofr55130
ID  - ofr55130
ER  -