TY  - RPRT
TI  - Review of geochemical reference sample programs since G-1 and W-1: Progress to date and remaining challenges
AU  - J. S. Kane
PY  - 1991
DO  - 10.1016/0584-8547(91)80166-z
UR  - https://pubs.usgs.gov/publication/70015624
ID  - 70015624
ER  -