TY  - RPRT
TI  - Experimental error in sample preparation and spectrographic analysis in the Jiddah laboratory, Saudi Arabia
AU  - P. K. Theobald
AU  - Charles Emmet Thompson
PY  - 1968
DO  - 10.3133/ofr68267
UR  - https://pubs.usgs.gov/publication/ofr68267
ID  - ofr68267
ER  -