TY  - RPRT
TI  - An X-ray diffraction method for semiquantitative mineralogical analysis of Chilean nitrate ore
AU  - J.C. Jackson
AU  - G. E. Ericksen
PY  - 1994
DO  - 10.3133/ofr94240
UR  - https://pubs.usgs.gov/publication/ofr94240
ID  - ofr94240
ER  -