TY  - RPRT
TI  - Determination of trace amounts of tin in geological materials by atomic absorption spectrometry
AU  - E. P. Welsch
AU  - T. T. Chao
PY  - 1976
DO  - 10.1016/s0003-2670(01)84611-0
UR  - https://pubs.usgs.gov/publication/70010860
ID  - 70010860
ER  -