TY  - RPRT
TI  - Standard reference water samples for rare earth element determinations
AU  - P. L. Verplanck
AU  - Ronald C. Antweiler
AU  - D. Kirk Nordstrom
AU  - Howard E. Taylor
PY  - 2001
DO  - 10.1016/s0883-2927(00)00030-5
UR  - https://pubs.usgs.gov/publication/70023771
ID  - 70023771
ER  -