TY  - RPRT
TI  - Atomic-absorption methods of analysis useful in geochemical exploration
AU  - Frederick Norville Ward
AU  - H. M. Nakagawa
AU  - T. F. Harms
AU  - G.H. Van Sickle
PY  - 1969
DO  - 10.3133/b1289
UR  - https://pubs.usgs.gov/publication/b1289
ID  - b1289
ER  -