TY  - RPRT
TI  - Semi-quantitative spectrographic analysis and rank correlation in geochemistry
AU  - F.J. Flanagan
PY  - 1957
DO  - 10.1016/0016-7037(57)90042-x
UR  - https://pubs.usgs.gov/publication/70009849
ID  - 70009849
ER  -