TY  - RPRT
TI  - Internal standards in fluorescent X-ray spectroscopy
AU  - I. Adler
AU  - J. M. Axelrod
PY  - 1955
DO  - 10.1016/0371-1951(55)80011-2
UR  - https://pubs.usgs.gov/publication/70009860
ID  - 70009860
ER  -