TY  - RPRT
TI  - Extraction of alkalies in rocks: Modification of the J. Lawrence Smith extraction, using barium chloride as a flux
AU  - R.E. Stevens
PY  - 2002
DO  - 10.1021/ac50147a013
UR  - https://pubs.usgs.gov/publication/70011104
ID  - 70011104
ER  -