TY  - RPRT
TI  - A method of quantitative analysis of trace elements in silicate rocks by energy-dispersive X-ray fluorescence spectroscopy
AU  - J.C. Jackson
AU  - R. A. Ayuso
PY  - 1988
DO  - 10.3133/ofr88432
UR  - https://pubs.usgs.gov/publication/ofr88432
ID  - ofr88432
ER  -