TY  - RPRT
TI  - Selected annotated bibliography of minor-element content of marine black shales and related sedimentary rocks, 1930-65
AU  - Elizabeth B. Tourtelot
PY  - 1970
DO  - 10.3133/b1293
UR  - https://pubs.usgs.gov/publication/b1293
ID  - b1293
ER  -